Reinsurance - Schedule of the Amounts Recoverable from Reinsurers (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Unpaid losses recoverable:
Case basis	$ 88,622	$ 82,252
Incurred but not reported	17,085	13,090
Paid losses recoverable	548	571
Allowance for credit losses	(452)	0
Total reinsurance recoverables	$ 105,803	$ 95,913

The sum for all reinsurance arrangements of the known and estimated amount recoverable as of the balance sheet date from a given reinsurer for claims paid or incurred by the ceding insurer and associated claims settlement expenses for each reinsurance arrangement (or, the sum of all cases determined individually, probably applying different assumptions to each arrangement).

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Estimated amount after valuation allowance of reinsurance recoverables, due from reinsurers for incurred claims not yet reported, and claims settlement expenses.

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Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

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Amount of allowance for credit loss on reinsurance recoverable.

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Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to and paid by the ceding insurer.

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