Schedule V - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Premiums, fees and other receivables
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	$ 30,860	$ 27,855	$ 26,546
Additions - Charged to Expense	13,734	10,807	6,783
Deductions - Amounts Written Off	(7,663)	(7,802)	(6,744)
Ending Balance	36,931	30,860	27,855
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
Due from reinsurers
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	7,713	7,801	690
Additions - Charged to Expense	352	334	1,187
Deductions - Amounts Written Off	(1)	(422)	(3)
Ending Balance	8,064	7,713	7,801
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
Deferred federal and foreign income taxes
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	75,230	79,488	33,250
Additions - Charged to Expense	1,046	6,011	46,756
Deductions - Amounts Written Off	(29,110)	(10,269)	(518)
Ending Balance	47,166	75,230	79,488
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
Loan loss reserves
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	1,718	5,437	2,146
Additions - Charged to Expense	73	0	3,648
Deductions - Amounts Written Off	0	(3,719)	0
Ending Balance	1,791	1,718	5,437
Loan loss reserves | Cumulative Effect, Period Of Adoption, Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance			(357)
Fixed maturity securities
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	22,625	2,580	0
Additions - Charged to Expense	15,152	21,013	16,909
Deductions - Amounts Written Off	(311)	(968)	(50,043)
Ending Balance	37,466	22,625	2,580
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
General Valuation Allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Opening Balance	138,146	123,161	62,632
Additions - Charged to Expense	30,357	38,165	75,283
Deductions - Amounts Written Off	(37,085)	(23,180)	(57,308)
Ending Balance	$ 131,418	$ 138,146	123,161
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