Income Taxes Reconciliation of Expected Federal Tax Expense to Actual (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Expected Tax Expense									$ (1,404)	$ (2,586)	$ 1,186
Expected tax expense (benefit), percent									21.00%	21.00%	21.00%
Foreign income tax differential									$ (2,912)	$ (1,817)	$ (1,562)
Foreign income tax differential, percent									43.50%	14.80%	(27.70%)
Tax-exempt interest and dividends-received deductions									$ (114)	$ (146)	$ (145)
Tax-exempt interest and dividends-received deductions, percent									1.70%	1.20%	(2.60%)
Adjustment of prior year income taxes									$ (61)	$ 194	$ (99)
Adjustment of prior year income taxes, percent									0.90%	(1.60%)	(1.80%)
Unrecognized Tax Benefits, Period Increase (Decrease)									$ (43,834)	$ 1	$ 1,148
Effect of uncertain tax position, percent									655.40%	0.00%	20.30%
Nondeductible costs to remediate tax compliance issue									$ (176)	$ (620)	$ (27)
Nondeductible costs to remediate tax compliance issue, percent									2.60%	5.00%	(0.50%)
Compensation limitation under 162(m) and 280 (g)									$ (21)	$ 2,386	$ 480
Compensation limitation under 162(m) and 280 (g), percent									0.30%	(19.40%)	8.50%
Subpart F Income									$ 2,102	$ 2,217	$ 5,853
Subpart F Income, percent									(31.40%)	(18.00%)	103.60%
Rate differential on net operating loss carryback claim									$ 295	$ (999)	$ 0
Rate differential on net operating loss carryback claim, percent									(4.40%)	8.10%	0.00%
Goodwill impairment									$ 2,651	$ 0	$ 0
Goodwill impairment, percent									(39.60%)	0.00%	0.00%
Other Reconciling Items									$ (1)	$ 41	$ 281
Other reconciling items, percent									0.00%	(0.30%)	5.20%
Federal income tax expense	$ (44,950)	$ 72	$ 578	$ 825	$ (3,887)	$ (256)	$ 1,465	$ 1,349	$ (43,475)	$ (1,329)	$ 7,115
Federal income tax expense, percent									650.00%	10.80%	126.00%