Liability for Unpaid Losses and Loss Adjustment Expenses - Change in Liability for Unpaid Losses and LAE (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Insurance [Abstract] | ||||
| Balance at beginning of period | $ 129,637 | $ 31,463 | $ 248,425 | $ 58,494 |
| Less: Reinsurance (recoverable)/payable | (70,351) | 2,353 | (182,405) | (106) |
| Net balance at beginning of period | 59,286 | 33,816 | 66,020 | 58,388 |
| Incurred (recovered) related to current year | 87,532 | 79,075 | 163,502 | 149,549 |
| Incurred (recovered) related to prior years | 2,310 | 1,109 | 2,266 | 1,205 |
| Total incurred | 89,842 | 80,184 | 165,768 | 150,754 |
| Paid related to Current year | 50,572 | 62,141 | 67,979 | 85,031 |
| Paid related to Prior years | 43,373 | 30,607 | 108,626 | 102,859 |
| Total paid | 93,945 | 92,748 | 176,605 | 187,890 |
| Net balance at end of period | 55,183 | 21,252 | 55,183 | 21,252 |
| Plus: Reinsurance recoverable/(payable) | 96,733 | 1,393 | 96,733 | 1,393 |
| Balance at end of period | $ 151,916 | $ 22,645 | $ 151,916 | $ 22,645 |
| X | ||||||||||
- References No definition available.
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- Definition The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after effects of reinsurance, of payments to settle claims incurred in the current period and related claims settlement costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after effects of reinsurance, of payments to settle claims incurred in prior periods and related claims settlement costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred and costs incurred in the claim settlement process. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Liability as of the balance sheet date for amounts representing estimated cost of settling unpaid claims under the terms of the underlying insurance policies, less estimated reinsurance recoveries on such claims. This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after effects of reinsurance, of payments to settle insured claims and pay costs incurred in the claims settlement process. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after effects of reinsurance, of expense for claims incurred in the current reporting period and related claims settlement costs. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred in prior reporting periods and related claims settlement costs. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Reinsurance recoverable (payable) for unpaid claims and claims adjustments. No definition available.
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