Deferred Policy Acquisition Costs (Deferred Amortized Policy Acquisition Costs) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Deferred Policy Acquisition Costs [Abstract]
Deferred, dispositions	$ (24,325)	$ (15,103)
Amortized	24,289	16,557
Net	$ (36)	$ 1,454

Amount of amortization expense (reversal of expense) for deferred policy acquisition costs.

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Name:	us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration