Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Statutory U.S. federal rate	21.00%	21.00%	21.00%
Operating loss carryforwards, valuation allowance	$ 286,000	$ 277,000
Valuation allowance	285,000	277,000
Capital loss	16,000	16,000
Unrecognized tax benefits	75,328	63,134	$ 53,509	$ 52,159
Unrecognized tax benefits recognition impact on effective tax rate	65,000
Interest on income taxes accrued net of related benefit	10,000	11,000	12,000
Interest on income tax expense net of related tax benefit	(1,000)	$ (1,000)	$ (1,000)
Possible decrease in uncertain tax position	$ 6,000
Minimum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Combination of subsidiaries	3 years
Maximum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Combination of subsidiaries	4 years