SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for credit losses
Movement in Valuation Allowances and Reserves
Balance at Beginning of Period	$ 286	$ 578	$ 724
Charges to Earnings	43	(22)	79
Charges to Other Accounts	(2)	(234)	(8)
Deductions	(46)	(36)	(217)
Balance at End of Period	281	286	578
Deferred tax valuation allowance
Movement in Valuation Allowances and Reserves
Balance at Beginning of Period	71,090	52,913	45,483
Charges to Earnings	15,969	35,261	7,472
Charges to Other Accounts	(988)	(17,084)	(42)
Deductions	0	0	0
Balance at End of Period	86,071	71,090	52,913
Other reserves
Movement in Valuation Allowances and Reserves
Balance at Beginning of Period	3,380	2,901	3,008
Balance at End of Period	$ 8,499	$ 3,380	$ 2,901