Reserves for Insurance Claims and Claim Expenses - Reconciliation of Reserve Balances for Insurance Claims Expenses (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] | |||
| Beginning balance | $ 12,811 | $ 8,761 | $ 3,001 |
| Less reinsurance recoverables | (3,001) | (1,902) | (297) |
| Beginning balance, net of reinsurance recoverables | 9,810 | 6,859 | 2,704 |
| Claims and claim expenses incurred: | |||
| Current year | 14,737 | 7,860 | 6,140 |
| Prior years | (2,230) | (2,408) | (801) |
| Total claims and claims expenses incurred | 12,507 | 5,452 | 5,339 |
| Claims and claim expenses paid: | |||
| Current year | 204 | 130 | 27 |
| Prior years | 3,849 | 2,371 | 1,157 |
| Reinsurance terminations | (549) | 0 | 0 |
| Total claims and claim expenses paid | 3,504 | 2,501 | 1,184 |
| Reserve at end of period, net of reinsurance recoverables | 18,813 | 9,810 | 6,859 |
| Add reinsurance recoverables | (4,939) | (3,001) | (1,902) |
| Ending balance | $ 23,752 | $ 12,811 | $ 8,761 |