Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - Valuation allowance for deferred tax asset - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Movement in Valuation Allowances and Reserves
Balance at beginning of year	$ 121,778	$ 116,543	$ 110,781
Additions charged to expense	44,188	7,490	23,150
Deductions	(8,516)	(2,255)	(17,388)
Balance at end of year	$ 157,450	$ 121,778	$ 116,543