Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Financial Information of Registrant Balance Sheets Parent Company Only
Condensed Financial Information of Parent Company Only Disclosure [Text Block]
Insurance [Abstract]
Statutory Accounting Practices [Table]
Statutory Accounting Practices [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
NMIC [Member]
NMIC [Member]
NMIC [Member]
NMI Re One [Member]
NMI Re One [Member]
NMI Re One [Member]
Statutory Accounting Practices [Line Items]
Statutory Accounting Practices [Line Items]
Pool risk-in-force
Mortgage Insurance, Risk in Force, Pool [Abstract]
Mortgage Insurance, Risk in Force, Pool [Abstract]
Direct
Mortgage Insurance in Force, Gross, Pool
Mortgage Insurance in Force, Gross, Pool
Assumed
Mortgage Insurance in Force, Assumed, Pool
Mortgage Insurance in Force, Assumed, Pool
Ceded
Mortgage Insurance in Force, Ceded, Pool
Mortgage Insurance in Force, Ceded, Pool
Total pool risk-in-force
Mortgage Insurance Risk In Force, Pool
This concept represents the risk in force (an estimate of the maximum loss exposure that an entity has at any point in time) for insurance written on a pool basis. In a pool policy, where a group of loans (or pool) are insured under a single contract. Pool insurance may have a stated aggregate loss limit for a pool of loans and may also have a deductible under which no losses are paid by the insurer until losses on the pool of loans exceed the deductible.
Primary risk-in-force
Primary Risk in Force [Abstract]
Primary Risk in Force [Abstract]
Direct
Primary Risk in Force, Gross
Primary Risk in Force, Gross
Assumed
Primary Risk in Force, Assumed
Primary Risk in Force, Assumed
Ceded
Primary Risk in Force, Ceded
Primary Risk in Force, Ceded
Total primary risk-in-force
Risk in Force Primary
This concept represents the risk in force (an estimate of the maximum loss exposure that an entity has at any point in time) for insurance writtten on a primary basis. Primary insurance may be written on a flow basis, in which loans are insured in individual, loan-by-loan transactions, or may be written on a bulk basis, in which each loan in a portfolio of loans is individually insured in a single, bulk transaction.
Total risk-in-force
Mortgage Insurance Risk in Force
This concept represents the risk in force (an estimate of the maximum loss exposure that an entity has at any point in time).
Total statutory policyholders' position
Statutory Accounting Practices, Statutory Capital and Surplus, Balance
Statutory contingency reserve
Contingency Reserve
Funds separated from retained earnings and held to cover any unforseen future business losses.
Risk to capital ratio
Risk To Capital Ratio Regulatory Actual
Risk To Capital Ratio Regulatory Actual
Accounting Policies [Abstract]
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Investments
Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]
Revenue Recognition
Insurance Premiums Revenue Recognition, Policy [Policy Text Block]
Deferred Policy Acquisition Costs
Deferred Policy Acquisition Costs, Policy [Policy Text Block]
Business Combinations, Goodwill and Intangible Assets
Goodwill and Intangible Assets, Policy [Policy Text Block]
Software and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Warrants
Warrants Policy [Policy Text Block]
Warrants Policy [Policy Text Block]
Share-based Compensation
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Offering and Incorporation Expenses
Offering and Incorporation Expenses Policy [Policy Text Block]
Offering and Incorporation Expenses Policy [Policy Text Block]
Reserve for Insurance Claims and Claims Expenses
Liability Reserve Estimate, Policy [Policy Text Block]
Premium Deficiency Reserves
Premium Deficiency Reserves Policy [Policy Text Block]
Premium Deficiency Reserves Policy [Policy Text Block]
Income Taxes
Income Tax, Policy [Policy Text Block]
Clarifying the Scope of Disclosures about Offsetting Assets and Liabilities
Derivatives, Offsetting Fair Value Amounts, Policy [Policy Text Block]
Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income
Comprehensive Income, Policy [Policy Text Block]
Reclassifications
Reclassification, Policy [Policy Text Block]
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Stock Option Activity
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of Grant Date Fair Values of Stock Options, Valuation Assumptions
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Restricted Stock Units Activity
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Schedule of Grant Date Fair Value of Restricted Stock Units, Valuation Assumptions
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Condensed Financial Statements [Table]
Condensed Financial Statements [Table]
Subsidiaries [Member]
Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Condensed Financial Statements, Captions [Line Items]
Other underwriting and operating expenses
Operating Expenses
Condensed Cash Flow Statement [Table]
Condensed Cash Flow Statement [Table]
Parent [Member]
Parent [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Condensed Cash Flow Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net loss
Net Income (Loss) Attributable to Parent
Adjustments to reconcile net loss to net cash used in operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Share-based compensation expense
Share-based Compensation
Warrants issued in connection with line of credit
Proceeds from Issuance of Warrants
Loss (gain) from change in fair value of warrant liability
Gain (Loss) on Change in Fair Value of Warrant Liability
Gain (Loss) on Change in Fair Value of Warrant Liability
Net realized investment gains
Available-for-sale Securities, Gross Realized Gain (Loss)
Depreciation and other amortization
Depreciation, Amortization and Accretion, Net
Accrued investment income
Increase (Decrease) in Accrued Investment Income Receivable
Changes in operating assets and liabilities:
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Receivable from affiliates
Increase (Decrease) Due from Affiliates
Prepaid expenses
Increase (Decrease) in Prepaid Expense
Other assets
Increase (Decrease) in Prepaid Expense and Other Assets
Accounts payable and accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Net Cash Used in Operating Activities
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Cash Flows from Investing Activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Capitalization of subsidiaries
Payments to Acquire Interest in Subsidiaries and Affiliates
Purchase of fixed maturities, available-for-sale
Payments to Acquire Available-for-sale Securities, Debt
Proceeds from sale of fixed maturities, available-for-sale
Proceeds from Sale of Available-for-sale Securities, Debt
Purchase of software and equipment
Payments to Acquire Property, Plant, and Equipment
Acquisition of subsidiaries
Payments to Acquire Businesses, Net of Cash Acquired
Net Cash Used in Investing Activities
Net Cash Provided by (Used in) Investing Activities
Cash Flows from Financing Activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
(Payments) Proceeds on line of credit
Proceeds from (Repayments of) Lines of Credit
Payment of financing debt
Payments of Financing Costs
Issuance of common stock
Proceeds from Issuance of Common Stock
Taxes paid related to net share settlement of equity awards
Payments Related to Tax Withholding for Share-based Compensation
Net Cash Provided by Financing Activities
Net Cash Provided by (Used in) Financing Activities
Net (Decrease) Increase in Cash and Cash Equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and Cash Equivalents, beginning of period
Cash and Cash Equivalents, at Carrying Value
Cash and Cash Equivalents, end of period
Condensed Income Statement [Table]
Condensed Income Statement [Table]
Condensed Income Statements, Captions [Line Items]
Condensed Income Statements, Captions [Line Items]
Assets
Assets [Abstract]
Net investment income
Net Investment Income
Net realized investment gains
(Loss) Gain from change in fair value of warrant liability
Total Revenues
Revenues
Expenses
Costs and Expenses [Abstract]
Other underwriting and operating expenses
Other Expenses
Total Expenses
Costs and Expenses
Equity in net loss of subsidiaries
Income (Loss) from Equity Method Investments
Net Loss
Investments, Debt and Equity Securities [Abstract]
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Table]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Domain]
Major Types of Debt and Equity Securities [Domain]
Asset-backed securities [Member]
Asset-backed Securities [Member]
Total bonds [Member]
Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis [Abstract]
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis [Abstract]
Amortized Cost, Due in one year or less
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis
Amortized Cost, Due after one through five years
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis
Amortized Cost, Due after five through ten years
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis
Amortized Cost, Due after ten years
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis
Amortized Cost, Total Investments
Available-for-sale Securities, Amortized Cost Basis
Available-for-sale Securities, Debt Maturities, Single Maturity Date [Abstract]
Available-for-sale Securities, Debt Maturities, Single Maturity Date [Abstract]
Fair Value, Due in one year or less
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value
Fair Value, Due after one through five years
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value
Fair Value, Due after five through ten years
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value
Fair Value Due after ten years
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value
Fair Value, Total Investments
Available-for-sale Securities
Income Tax Disclosure [Abstract]
Schedule of Deferred Tax Assets and Liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Deferred Tax Asset, Gross [Abstract]
Deferred Tax Asset, Gross [Abstract]
Deferred Tax Asset, Gross [Abstract]
Capitalized start-up costs
Deferred Tax assets, Capitalized Start-up Costs, Gross
Deferred Tax assets, Capitalized Start-up Costs, Gross
Stock compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost, Gross
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost, Gross
Unrealized loss on investments
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross, Tax Effected
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross, Tax Effected
Net operating loss carry forwards
Deferred Tax Assets, Operating Loss Carryforwards, Gross
Deferred Tax Assets, Operating Loss Carryforwards, Gross
Other
Deferred Tax Assets, Other, Gross
Deferred Tax Assets, Other, Gross
Total gross deferred tax assets
Deferred Tax Assets, Gross, BeforeTax Effected
Deferred Tax Assets, Gross, BeforeTax Effected
Less: valuation allowance
Deferred Tax Assets, Valuation Allowance, Before Tax Effected
Deferred Tax Assets, Valuation Allowance, Before Tax Effected
Total deferred tax assets
Deferred Tax Assets, Net of Valuation Allowance, Before Tax Effected
Deferred Tax Assets, Net of Valuation Allowance, Before Tax Effected
Deferred tax asset:
Deferred Tax Assets, Gross [Abstract]
Capitalized start-up costs
Deferred Tax assets, Capitalized Start-up Costs
Deferred Tax assets, Capitalized Start-up Costs
Stock compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Unrealized loss on investments
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross
Net operating loss carry forwards
Deferred Tax Assets, Operating Loss Carryforwards
Other
Deferred Tax Assets, Other
Total gross deferred tax assets
Deferred Tax Assets, Gross
Less: valuation allowance
Deferred Tax Assets, Valuation Allowance
Total deferred tax assets
Deferred Tax Assets, Net of Valuation Allowance
Deferred Tax Liability, Gross [Abstract]
Deferred Tax Liability, Gross [Abstract]
Deferred Tax Liability, Gross [Abstract]
Capitalized software
Deferred Tax Liabilities, Property, Plant and Equipment, Tax Effected
Deferred Tax Liabilities, Property, Plant and Equipment, Tax Effected
Intangible assets
Deferred Tax Liabilities, Intangible Assets, Tax Effected
Deferred Tax Liabilities, Intangible Assets, Tax Effected
Other
Deferred Tax Liabilities, Other, Tax Effected
Deferred Tax Liabilities, Other, Tax Effected
Total deferred tax liabilities
Deferred Tax Liabilities, Gross, Tax Effected
Deferred Tax Liabilities, Gross, Tax Effected
Net deferred income tax liability
Deferred Tax Assets, Net, Tax Effected
Deferred Tax Assets, Net, Tax Effected
Deferred tax liability:
Deferred Tax Liabilities, Gross [Abstract]
Capitalized software
Deferred Tax Liabilities, Property, Plant and Equipment
Intangible assets
Deferred Tax Liabilities, Intangible Assets
Other
Deferred Tax Liabilities, Other
Total deferred tax liabilities
Deferred Tax Liabilities, Gross
Net deferred income tax liability
Deferred Tax Assets, Net
Schedule of Fair Values and Gross Unrealized Gains and Losses
Available-for-sale Securities [Table Text Block]
Schedule of Investments by Maturity
Investments Classified by Contractual Maturity Date [Table Text Block]
Schedule of Realized Investment (Losses) Gains on Investments
Gain (Loss) on Investments [Table Text Block]
Schedule of Aging Unrealized Losses
Schedule of Unrealized Loss on Investments [Table Text Block]
Schedule of Net Investment Income
Investment Income [Table Text Block]
Federal statutory income tax rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Loss on impairment
Effective Income Tax Rate Reconciliation, Loss on Impairment
Effective Income Tax Rate Reconciliation, Loss on Impairment
Prior year adjustment
Effective Income Tax Rate Reconciliation, Prior Year Adjustment
Effective Income Tax Rate Reconciliation, Prior Year Adjustment
Other
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Valuation allowance
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Purchase accounting adjustment
Effective Income Tax Rate Reconciliation, Purchase accounting Adjustment
Effective Income Tax Rate Reconciliation, Purchase accounting Adjustment
Effective income tax rate
Effective Income Tax Rate Reconciliation, Percent
Debt Disclosure [Abstract]
Line of Credit Facility [Table]
Line of Credit Facility [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
MAC Financial Holding Corporation and Subsidiaries [Member]
MAC Financial Holding Corporation and Subsidiaries [Member]
MAC Financial Holding Corporation and Subsidiaries [Member]
Lender Name [Axis]
Lender Name [Axis]
Line of Credit Facility, Lender [Domain]
Line of Credit Facility, Lender [Domain]
FBR Capital Markets and Co. [Member]
FBR Capital Markets and Co. [Member]
FBR Capital Markets and Co. [Member]
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Line of Credit [Member]
Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Line of credit facility, borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Exercise price of warrants (in dollars per warrant)
Class of Warrant or Right, Exercise Price of Warrants or Rights
Warrants issued (in shares)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights
Warrants value
Warrants and Rights Outstanding
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Capitalized software
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
Depreciation and amortization
Depreciation, Depletion and Amortization
Statement of Cash Flows [Abstract]
Statement [Table]
Statement [Table]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Statement [Line Items]
Statement [Line Items]
Net realized investment gains
Loss on impairment
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)
Unearned premiums
(Increase) Decrease in Unearned Premiums, Net
Deferred policy acquisition costs, net
Increase (Decrease) in Deferred Policy Acquisition Costs
Premiums receivable
Increase (Decrease) in Premiums Receivable
Purchase of short-term investments
Payments to Acquire Short-term Investments
Proceeds from maturity of short-term investments
Proceeds from Sale of Short-term Investments
Supplemental Disclosures of Cash Flow Information
Supplemental Cash Flow Information [Abstract]
Restricted Cash
Increase (Decrease) in Restricted Cash
Noncash Financing Activities
Noncash Investing and Financing Items [Abstract]
Conversion of Class B shares of common stock into Class A shares of common stock
Conversion of Stock, Amount Issued
Acquisition of subsidiaries
Other Noncash Investing and Financing Items [Abstract]
Warrants issued in connection with acquisition of subsidiaries, shares
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Warrants Issued
Common stock issued in connection with acquisition of subsidiaries, shares
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued
Fair Value Disclosures [Abstract]
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Commitments and Contingencies Disclosure [Abstract]
Schedule of Compliance with Regulatory Capital Requirements for Mortgage Companies [Table]
Schedule of Compliance with Regulatory Capital Requirements for Mortgage Companies [Table]
Jurisdiction [Axis]
Jurisdiction [Axis]
Statutory Accounting Practices, Jurisdiction [Domain]
Statutory Accounting Practices, Jurisdiction [Domain]
Fannie Mae and Freddie Mac [Member]
Fannie Mae and Freddie Mac [Member]
Fannie Mae and Freddie Mac [Member]
Fannie Mae [Member]
Fannie Mae [Member]
Fannie Mae [Member]
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items]
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items]
Minimum capitalization requirement period
Minimum Capitalization Requirement Period
Minimum Capitalization Requirement Period
Capital required to be capitalized
Statutory Accounting Practices, Initial Statutory Capital and Surplus Required
Statutory Accounting Practices, Initial Statutory Capital and Surplus Required
Minimum capital required
Statutory Accounting Practices, Statutory Capital and Surplus Required
Risk-to-capital
Risk To Capital Ratio Regulatory Maximum
Risk To Capital Ratio Regulatory Maximum
Statutory capital and surplus required, period
Statutory Accounting Practices, Statutory Capital and Surplus Required, Period
Statutory Accounting Practices, Statutory Capital and Surplus Required, Period
Statutory capital and surplus required, no declaration or dividend payment period
Statutory Accounting Practices, Statutory Capital and Surplus Required, No Declaration or Dividend Payment Period
Statutory Accounting Practices, Statutory Capital and Surplus Required, No Declaration or Dividend Payment Period
Statutory capital and surplus required, requirement to not enter in capital support agreement period
Statutory Accounting Practices, Statutory Capital and Surplus Required, Requirement to Not Enter in Capital Support Agreement Period
Statutory Accounting Practices, Statutory Capital and Surplus Required, Requirement to Not Enter in Capital Support Agreement Period
Statutory capital and surplus required, agreement to not enter in to reinsurance risk period
Statutory Accounting Practices, Statutory Capital and Surplus Required, Agreement to Not Enter in to Reinsurance Risk Period
Statutory Accounting Practices, Statutory Capital and Surplus Required, Agreement to Not Enter in to Reinsurance Risk Period
Shareholder percent provision regarding underwriting policies
Shareholder Percent Provision Regarding Underwriting Policies
Shareholder Percent Provision Regarding Underwriting Policies
Mortgage insurance pool agreement, number of loans
Mortgage Insurance Pool Agreement, Number of Loans
Mortgage Insurance Pool Agreement, Number of Loans
Mortgage insurance pool agreement, aggregate unpaid principal balance
Mortgage Insurance Pool Agreement, Aggregate Principal Balance Amount Outstanding
Mortgage Insurance Pool Agreement, Aggregate Principal Balance Amount Outstanding
Mortgage insurance pool agreement, expected term
Mortgage Insurance Pool Agreement, Expected Term
Mortgage Insurance Pool Agreement, Expected Term
Pool risk-in-force
Office facility lease, term of contract
Lessee Leasing Arrangements, Operating Leases, Term of Contract
Rent expense
Operating Leases, Rent Expense, Net
Additional Square Feet of Furnished Office Space under Amended Lease Terms
Additional Square Feet of Furnished Office Space under Amended Lease Terms
Additional Square Feet of Furnished Office Space under Amended Lease Terms
Income Taxes
Income Tax Disclosure [Text Block]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Customer Concentration Risk [Member]
Customer Concentration Risk [Member]
Geographic Concentration Risk [Member]
Geographic Concentration Risk [Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Sales Revenue, Net [Member]
Sales Revenue, Net [Member]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Software [Member]
Software and Software Development Costs [Member]
Equipment [Member]
Equipment [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Number of escrow accounts, funds released upon GSE approval
Number of Escrow Accounts, Funds Released Upon GSE Approval
Number of Escrow Accounts, Funds Released Upon GSE Approval
Number of customers
Number of Insured
Number of Insured
Concentration risk
Concentration Risk, Percentage
Estimated useful life
Property, Plant and Equipment, Useful Life
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
U.S. Treasury securities and obligations of U.S. government agencies [Member]
US Treasury and Government [Member]
Municipal bonds [Member]
US States and Political Subdivisions Debt Securities [Member]
Corporate debt securities [Member]
Corporate Debt Securities [Member]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurements, Recurring [Member]
Fair Value, Measurements, Recurring [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Inputs, Level 1 [Member]
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Inputs, Level 2 [Member]
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities
Cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Total Assets
Assets, Fair Value Disclosure
Warrant liability, at fair value
Warrant Liability
Warrant Liability
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Statutory net loss
Statutory Accounting Practices, Statutory Net Income Amount
Statutory surplus
Contingency reserve
Statutory Accounting Practices, Contingency Reserve
Statutory Accounting Practices, Contingency Reserve
Business Combinations [Abstract]
Schedule of Assets Acquired and Liabilities Assumed
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
2014
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2015
Operating Leases, Future Minimum Payments, Due in Two Years
2016
Operating Leases, Future Minimum Payments, Due in Three Years
2017
Operating Leases, Future Minimum Payments, Due in Four Years
Totals
Operating Leases, Future Minimum Payments Due
Investment Type [Axis]
Investment Type [Axis]
Investments [Domain]
Investments [Domain]
Fixed maturities [Member]
Fixed Maturities [Member]
Cash equivalents [Member]
Cash and Cash Equivalents [Member]
Other [Member]
Other Long-term Investments [Member]
Investment income
Investment Income Gross
Investment Income Gross
Investment expenses
Investment Income, Investment Expense
Net Investment Income
Investment Income, Net
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Sale of Stock [Axis]
Sale of Stock [Axis]
Sale of Stock [Axis]
Sale of Stock [Domain]
Sale of Stock [Domain]
[Domain] for Sale of Stock [Axis]
IPO [Member]
IPO [Member]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Common Class A [Member]
Common Class A [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Cash, common stock and warrants issued for acquisition
Business Combination, Consideration Transferred, Cash and Equity Interests Issued and Issuable
Business Combination, Consideration Transferred, Cash and Equity Interests Issued and Issuable
Liabilities assumed in acquisition
Business Combination, Consideration Transferred, Liabilities Incurred
Tax liabilities assumed in acquisition
Business Combination, Consideration Transferred, Tax Liabilities Incurred
Business Combination, Consideration Transferred, Tax Liabilities Incurred
Common stock offered and sold, (in shares)
Stock Issued During Period, Shares, New Issues
Common stock issue price (usd per share)
Share Price
Underwriting fee and other offering expense (percent)
Stock Issued During Period, Underwriting Fee and Other Offering Expense, Percentage
Stock Issued During Period, Underwriting Fee and Other Offering Expense, Percentage
Underwriting fee and other offering expense
Proceeds from Issuance Initial Public Offering, Net
Proceeds from Issuance Initial Public Offering, Net
Antidilutive securities excluded from computation of earnings per share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Share-Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Acquisition of MAC
Business Combination Disclosure [Text Block]
Schedule of Future Minimum Lease Payments
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Equity [Abstract]
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Class of Stock [Line Items]
Class of Stock [Line Items]
Net stock issuance proceeds (percent)
Stock Issued During Period, Net Proceeds Percentage Placed in Investment Accounts
Stock Issued During Period, Net Proceeds Percentage Placed in Investment Accounts
Proceeds from issuance of common stock, net of stock issuance costs
Proceeds From Issuance of Common Stock, Net of Stock Issuance Costs
Proceeds From Issuance of Common Stock, Net of Stock Issuance Costs
Repayments of long-term debt
Repayments of Long-term Debt
Cash placed in operating account through time of GSE Approval
Cash Reserved For Funding Company Operations
Cash Reserved For Funding Company Operations
Purchaser discounts and placement fees
Stock Issuance Costs, Purchaser Discounts and Placement Fees
Stock Issuance Costs, Purchaser Discounts and Placement Fees
Purchase discount and placement fees paid in common stock
Stock Issuance Costs, Purchaser Discounts and Placement Fees paid in Common Stock
Stock Issuance Costs, Purchaser Discounts and Placement Fees paid in Common Stock
Purchase discount and placement fees paid in cash
Stock Issuance Costs, Purchaser Discounts and Placement Fees, Paid in Cash
Stock Issuance Costs, Purchaser Discounts and Placement Fees, Paid in Cash
Proceeds from sale of common stock placed in escrow
Proceeds from Sale of Common Stock, Escrow Deposit
Proceeds from Sale of Common Stock, Escrow Deposit
Maximum number of common stock shares granted to underwriters of IPO (in shares)
Maximum Number of Common Stock Shares Granted to Underwriters of IPO
Maximum Number of Common Stock Shares Granted to Underwriters of IPO
Maximum number of common stock shares granted to underwriters of IPO, exercise price (in dollars per share)
Maximum number of Common Stock Shares Granted to Underwriters of IPO, Exercise Price
Maximum number of Common Stock Shares Granted to Underwriters of IPO, Exercise Price
Proceeds from issuance initial public offering
Proceeds from Issuance Initial Public Offering
Common Stock Offering
Stockholders' Equity Note Disclosure [Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible Assets and Goodwill
Intangible Assets Disclosure [Text Block]
Investments
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Warrants
Line of Credit and Related Warrants [Text Block]
Line of Credit and Related Warrants [Text Block]
Organization and Basis of Presentation
Business Description and Basis of Presentation [Text Block]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Plan Name [Axis]
Plan Name [Axis]
Plan Name [Domain]
Plan Name [Domain]
The 2012 Stock Incentive Plan [Member]
The 2012 Stock Incentive Plan [Member]
The 2012 Stock Incentive Plan [Member]
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Equity Award [Domain]
Restricted Stock Units [Member]
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted Stock beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Restricted stock units granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Less: Restricted stock units vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Less: Restricted stock units forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Restricted Stock beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Restricted Stock beginning balance (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Restricted Stock Units Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Less: Restricted Stock Units Vested (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Less: Restricted Stock Units Forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Restricted Stock ending balance (in dollars per share)
Summary of Accounting Principles
Significant Accounting Policies [Text Block]
Schedule of Indefinite-Lived Intangible Assets
Schedule of Indefinite-Lived Intangible Assets [Table Text Block]
Income Statement [Abstract]
Premiums written
Revenues [Abstract]
Direct
Direct Premiums Written
Net premiums written
Premiums Written, Net
Increase in unearned premium
Net premiums earned
Premiums Earned, Net
Insurance claims and claims expenses
Policyholder Benefits and Claims Incurred, Net, Property, Casualty and Liability
Amortization of deferred policy acquisition costs
Deferred Policy Acquisition Cost, Amortization Expense
Other Comprehensive (Loss) Income (net of tax)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Net unrealized holding (losses) gains for the period included in accumulated other comprehensive (loss) income
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent
Other Comprehensive (Loss) Income (net of tax)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Total Comprehensive Loss
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Loss per share
Earnings Per Share, Basic and Diluted [Abstract]
Basic and Diluted loss per share (in dollars per share)
Earnings Per Share, Basic and Diluted
Weighted average common shares outstanding (in shares)
Weighted Average Number of Shares Outstanding, Basic and Diluted
Fair Value Measurements, Recurring and Nonrecurring
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Short-term investments [Member]
Short-term Investments [Member]
Amortized Cost
Gross Unrealized Gains
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments
Gross Unrealized (Losses)
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments
Fair Value
Schedule of Risk to Capital
Statutory Accounting Practices Disclosure [Table Text Block]
Current assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets
Intangibles
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill
Goodwill
Goodwill
Subtotal
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Acquired Including Goodwill
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Acquired Including Goodwill
Current liabilities and deferred tax liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Estimated fair value of net assets acquired
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Software and Equipment
Property, Plant and Equipment Disclosure [Text Block]
Statement of Financial Position [Abstract]
Common Class B [Member]
Common Class B [Member]
Investments, available-for-sale, at fair value:
Marketable Securities, Fixed Maturities [Abstract]
Fixed maturities (amortized cost of $416,135 and $0 as of December 31, 2013 and December 31, 2012, respectively)
Available-for-sale Securities, Debt Securities
Short-term investments
Short-term Investments
Total investments
Investments
Cash and cash equivalents
Accrued investment income
Accrued Investment Income Receivable
Prepaid expenses
Prepaid Expense
Restricted cash
Restricted Cash and Cash Equivalents
Deferred policy acquisition costs, net
Deferred Policy Acquisition Costs
Goodwill and other indefinite lived intangible assets
Intangible Assets, Net (Including Goodwill)
Software and equipment, net
Property, Plant and Equipment, Net
Premiums receivable
Premiums Receivable, Net
Other assets
Other Assets
Total Assets
Assets
Liabilities
Liabilities [Abstract]
Unearned premiums
Unearned Premiums
Reserve for insurance claims and claims expenses
Liability for Claims and Claims Adjustment Expense
Accounts payable and accrued expenses
Accounts Payable and Accrued Liabilities
Placement fee payable
Placement Fee Payable
Placement Fee Payable
Purchase consideration payable
Business Combination, Contingent Consideration, Liability
Deferred tax liability
Other Liabilities
Total Liabilities
Liabilities
Commitments and Contingencies
Commitments and Contingencies
Shareholders' Equity
Stockholders' Equity Attributable to Parent [Abstract]
Common stock, shares outstanding
Common Stock, Value, Outstanding
Additional paid-in capital
Additional Paid in Capital
Accumulated other comprehensive (loss) income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Total Shareholders' Equity
Stockholders' Equity Attributable to Parent
Total Liabilities and Shareholders' Equity
Liabilities and Equity
Unrealized losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss, Accumulated in Investments
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss, Accumulated in Investments
Cash and investments held with various state insurance departments
Cash, Cash Equivalents, and Short-term Investments
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Liability Class [Axis]
Liability Class [Axis]
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Warrant Liability [Member]
Warrant Liability [Member]
Warrant Liability [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value
Change in fair value of warrant liability included in earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements)
Ending balance
Document and Entity Information [Abstract]
Document and Entity Information [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Document Type
Document Type
Document Period End Date
Document Period End Date
Amendment Flag
Amendment Flag
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Entity Filer Category
Entity Filer Category
Entity Public Float
Entity Public Float
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Fixed maturity, amortized cost
Available-for-sale Debt Securities, Amortized Cost Basis
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, shares issued
Common Stock, Shares, Issued
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Common stock, shares authorized
Common Stock, Shares Authorized
Volatility Assumption
Fair Value Assumptions, Expected Volatility Rate
Share Price (in dollars per share)
Risk free rate
Fair Value Assumptions, Risk Free Interest Rate
Expected term
Fair Value Assumptions, Expected Term
Expected dividend rate
Fair Value Assumptions, Expected Dividend Rate
Condensed Balance Sheet Statement [Table]
Condensed Balance Sheet Statement [Table]
Condensed Balance Sheet Statements, Captions [Line Items]
Condensed Balance Sheet Statements, Captions [Line Items]
Investments, available-for-sale
Investment in subsidiaries, at equity in net assets
Equity Method Investments
Due from affiliates, net
Due from Affiliates
Equity [Abstract]
Fair Value, Less than 12 Months
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Unrealized Losses, Less than 12 Months
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Accumulated In Investments
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss Accumulated In Investments
Fair Value, 12 Months or Greater
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Unrealized Losses, 12 Months or Greater
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss, Accumulated in Investments
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss, Accumulated in Investments
Fair Value, Total
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Unrealized Losses
Litigation
Legal Matters and Contingencies [Text Block]
Expected life
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Risk free interest rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Expected stock price volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Projected forfeiture rate
Share Based Compensation Arrangement By Share-based Payment Award, Fair Value Assumptions, Expected Forfeiture Rate
Share Based Compensation Arrangement By Share-based Payment Award, Fair Value Assumptions, Expected Forfeiture Rate
Quarterly Financial Information Disclosure [Abstract]
Quarterly Financial Data (Unaudited)
Quarterly Financial Information [Text Block]
Summary of Investments, Other than Investments in Related Parties [Abstract]
Summary of Investments, Other than Investments in Related Parties
Summary of Investments, Other than Investments in Related Parties [Text Block]
Schedule of Indefinite-Lived Intangible Assets [Table]
Schedule of Indefinite-Lived Intangible Assets [Table]
Indefinite-lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
State licenses [Member]
State Licenses [Member]
State Licenses [Member]
GSE Approvals [Member]
GSE Approvals [Member]
GSE Approvals [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)
Summary of Investments, Other than Investments in Related Parties [Table]
Summary of Investments, Other than Investments in Related Parties [Table]
Summary of Investments, Other than Investments in Related Parties, by Type [Axis]
Summary of Investments, Other than Investments in Related Parties, by Type [Axis]
Summary of Investments, by Type [Domain]
Summary of Investments, by Type [Domain]
U.S. Treasury securities and obligations of U.S. government agencies [Member]
US Government and Government Agencies and Authorities [Member]
Corporate debt securities [Member]
All Other Corporate Bonds [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost
Summary of Investments, Other than Investments in Related Parties, Cost
Fair Value
Summary of Investments, Other than Investments in Related Parties, Fair Value
Amount Reflected on Balance Sheet
Summary of Investments, Other than Investments in Related Parties, Carrying Amount
Schedule of Equipment and Software
Property, Plant and Equipment [Table Text Block]
Income Tax Contingency [Table]
Income Tax Contingency [Table]
Income Tax Authority [Axis]
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
Domestic Tax Authority [Member]
Domestic Tax Authority [Member]
State and Local Jurisdiction [Member]
State and Local Jurisdiction [Member]
Expiration Period [Axis]
Expiration Period [Axis]
Expiration Period [Axis]
Expiration Period [Domain]
Expiration Period [Domain]
[Domain] for Expiration Period [Axis]
Annual Limitation Through Year Three [Member]
Annual Limitation Through Year Three [Member]
Annual Limitation Through Year Three [Member]
Annual Limitations After Year Three [Member]
Annual Limitations After Year Three [Member]
Annual Limitations After Year Three [Member]
Income Tax Contingency [Line Items]
Income Tax Contingency [Line Items]
Deferred tax liabilities, gross
Taxes paid related to net share settlement of equity awards
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation
Operating loss carryforwards
Operating Loss Carryforwards
Loss carry forwards subject to expiration
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration
Valuation allowance
Stock Options [Member]
Employee Stock Option [Member]
Number of shares authorized to be reserved for issuance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Expiration period
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Restricted stock vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Number of options vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number
Weighted average exercise price for options vested (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price
Weighted average remaining contractual term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term
Options vested aggregate value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
Weighted average remaining contractual life of options outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Total unrecognized compensation cost related to non-vested stock options
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options
Compensation related to non-vested awards, weighted-average period for recognition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Modification to vesting terms, number of restricted stock units affected (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Number of Shares Outstanding and Unvested Affected
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Number of Shares Outstanding and Unvested Affected
Restricted stock units outstanding (in shares)
Restricted stock units outstanding, number of shares subject to both market and service conditions (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Subject to Both Market and Service Conditions, Number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Subject to Both Market and Service Conditions, Number
Restricted stock units outstanding, number of shares subject to only service conditions (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Subject to Only Service Conditions, Number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Subject to Only Service Conditions, Number
Number of simulations
Number of Simulations
Number of Simulations
Vesting percentage subject to both market and service conditions, annual vesting percentage
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Subject to Both Market and Service Conditions, Annual Vesting Percentage
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Subject to Both Market and Service Conditions, Annual Vesting Percentage
Weighted average remaining contractual life of RSUs outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms
Total unrecognized compensation cost related to non-vested restricted stock units
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Restricted stock units, number of shares containing a market condition vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Containing a Market Condition, Vested in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Containing a Market Condition, Vested in Period
Acceleration of compensation expense
Allocated Share-based Compensation Expense
Schedule of Quarterly Financial Information
Schedule of Quarterly Financial Information [Table Text Block]
Statutory Information
Insurance Disclosure [Text Block]
WISCONSIN [Member]
WISCONSIN
Number of states which require minimum amount of statutory capital relative to risk in force
Number of States Which Require Minimum Amount of Statutory Capital Relative to Risk In Force
Number of States Which Require Minimum Amount of Statutory Capital Relative to Risk In Force
Potential risk In force to capital, ratio
Potential Risk In Force to Capital, Ratio
Potential Risk In Force to Capital, Ratio
Statutory capital and surplus required
Mortgage insurance, percentage of indebtedness on single loan
Mortgage Insurance, Percentage of Indebtedness on Single Loan, Limit
Mortgage Insurance, Percentage of Indebtedness on Single Loan, Limit
Shareholders' equity
Ordinary dividends, restriction with regards to capital surplus
Ordinary Dividends, Restriction with Regards to Capital Surplus
This concept represents the maximum percentage of surplus as of the prior year that an insurer may pay out in ordinary dividends without prior approval of the Wisconsin Office of the Commissioner of Insurance under Wisconsin law.
Statement of Stockholders' Equity [Abstract]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance, shares
Beginning Balance
Issuance of Class A shares of common stock related to restricted stock units, shares
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Issuance of Class A shares of common stock related to restricted stock units
Stock Issued During Period, Value, Restricted Stock Award, Gross
Issuance of shares of common stock, shares
Issuance of shares of common stock
Stock Issued During Period, Value, New Issues
Conversion of Class B shares of common stock into Class A shares of common stock, shares
Stock Issued During Period, Shares, Conversion of Convertible Securities
Conversion of Class B shares of common stock into Class A shares of common stock
Stock Issued During Period, Value, Conversion of Convertible Securities
Issuance of common stock related to acquisition of subsidiaries, shares
Stock Issued During Period, Shares, Acquisitions
Issuance of common stock related to acquisition of subsidiaries
Stock Issued During Period, Value, Acquisitions
Share-based compensation expense
Adjustments to Additional Paid in Capital, Share-based Compensation, Other Long-term Incentive Plans, Requisite Service Period Recognition
Change in unrealized investment gains/losses
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Net loss
Ending Balance, shares
Ending Balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Options granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Less: Options forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Less: Options canceled (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Canceled in Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Canceled in Period
Options ending balance (in shares)
Weighted Average Grant Date Fair Value per Share
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Options beginning balance (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Options granted (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Less: Options forfeited (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Less: Options canceled (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Canceled in Period, Weighted Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Canceled in Period, Weighted Average Exercise Price
Options beginning balance (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Options beginning balance (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value
Options granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Less: Options forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value
Less: Options canceled (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Canceled Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Canceled Weighted Average Grant Date Fair Value
Options ending balance (in dollars per share)
Warrant [Member]
Warrant [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Operational Manuals [Member]
Operational Manuals [Member]
Operational Manuals [Member]
Consideration paid
Business Combination, Consideration Transferred
Cash paid in acquisition
Payments to Acquire Businesses, Gross
Common stock issued in connection with acquisition of subsidiaries (in shares)
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable
Cash deposited in escrow
Business Acquisition, Cash Deposited in Escrow
Business Acquisition, Cash Deposited in Escrow
Operating manuals acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Abstract]
Financial Information of Registrant Reinsurance Parent Company Only
Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Text Block]
Leasehold Improvements [Member]
Leasehold Improvements [Member]
Property plant and equipment
Property, Plant and Equipment, Gross
Less accumulated amortization and depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Payments of stock issuance costs
Payments of Stock Issuance Costs
Net premiums written
Net premiums earned