Fair Value of Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | $ 13,024 | |
Cash equivalents, carrying value | 31,959 | |
Note receivable, carrying value | 10 | $ 10 |
Cash equivalents, fair value | 31,959 | |
Note receivable, fair value | 10 | 10 |
Note receivable, carrying value | 10 | 10 |
Debt, carrying value | | 12,800 |
Debt, fair value | | 12,800 |
Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Cash equivalents, fair value | 31,959 | |
Note receivable, fair value | 0 | 0 |
Debt, fair value | | 0 |
Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Cash equivalents, fair value | 0 | |
Note receivable, fair value | 0 | 0 |
Debt, fair value | | 0 |
Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Cash equivalents, fair value | 0 | |
Note receivable, fair value | 10 | 10 |
Debt, fair value | | $ 12,800 |
Fixed Maturities | Carrying Value | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 13,024 | |
Fixed Maturities | Fair Value | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 13,024 | |
Fixed Maturities | Fair Value | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 0 | |
Fixed Maturities | Fair Value | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 13,024 | |
Fixed Maturities | Fair Value | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 0 | |
Asset-backed Securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 3,495 | |
Asset-backed Securities | Fixed Maturities | Carrying Value | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 3,495 | |
Asset-backed Securities | Fixed Maturities | Fair Value | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 3,495 | |
Asset-backed Securities | Fixed Maturities | Fair Value | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 0 | |
Asset-backed Securities | Fixed Maturities | Fair Value | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 3,495 | |
Asset-backed Securities | Fixed Maturities | Fair Value | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 0 | |
Corporate Securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 3,602 | |
Corporate Securities | Fixed Maturities | Carrying Value | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 3,602 | |
Corporate Securities | Fixed Maturities | Fair Value | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 3,602 | |
Corporate Securities | Fixed Maturities | Fair Value | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 0 | |
Corporate Securities | Fixed Maturities | Fair Value | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 3,602 | |
Corporate Securities | Fixed Maturities | Fair Value | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 0 | |
Commercial Paper | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 5,927 | |
Commercial Paper | Fixed Maturities | Carrying Value | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 5,927 | |
Commercial Paper | Fixed Maturities | Fair Value | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 5,927 | |
Commercial Paper | Fixed Maturities | Fair Value | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 0 | |
Commercial Paper | Fixed Maturities | Fair Value | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | 5,927 | |
Commercial Paper | Fixed Maturities | Fair Value | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total fixed maturities | $ 0 | |