Schedule V - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Premiums, fees and other receivables
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	$ 27,855	$ 26,546	$ 39,093
Additions - Charged to Expense	10,807	6,783	(5,549)
Deductions - Amounts Written Off	(7,802)	(6,744)	(6,998)
Ending Balance	30,860	27,855	26,546
Premiums, fees and other receivables | Cumulative Effect, Period Of Adoption, Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance		1,270
Ending Balance			1,270
Due from reinsurers
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	7,801	690	947
Additions - Charged to Expense	334	1,187	0
Deductions - Amounts Written Off	(422)	(3)	(257)
Ending Balance	7,713	7,801	690
Due from reinsurers | Cumulative Effect, Period Of Adoption, Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance		5,927
Ending Balance			5,927
Deferred federal and foreign income taxes
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	79,488	33,250	35,195
Additions - Charged to Expense	6,011	46,756	1,298
Deductions - Amounts Written Off	(10,269)	(518)	(3,243)
Ending Balance	75,230	79,488	33,250
Deferred federal and foreign income taxes | Cumulative Effect, Period Of Adoption, Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance		0
Ending Balance			0
Loan loss reserves
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	5,437	2,146	3,383
Additions - Charged to Expense	0	3,648	0
Deductions - Amounts Written Off	(3,719)	0	(1,237)
Ending Balance	1,718	5,437	2,146
Loan loss reserves | Cumulative Effect, Period Of Adoption, Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance		(357)
Ending Balance			(357)
Fixed maturity securities
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	2,580	0
Additions - Charged to Expense	21,013	16,909
Deductions - Amounts Written Off	(968)	(50,043)
Ending Balance	22,625	2,580	0
Fixed maturity securities | Cumulative Effect, Period Of Adoption, Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance		35,714
Ending Balance			35,714
General Valuation Allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	123,161	62,632	78,618
Additions - Charged to Expense	38,165	75,283	(4,251)
Deductions - Amounts Written Off	(23,180)	(57,308)	(11,735)
Ending Balance	$ 138,146	123,161	62,632
General Valuation Allowance | Cumulative Effect, Period Of Adoption, Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance		$ 42,554
Ending Balance			$ 42,554