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:
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	$ 543	$ 1,864	$ 4,599
Additions	650	897	6,045
Reductions	(715)	(2,218)	(8,780)
Ending Balance	478	543	1,864
Valuation allowance for deferred tax assets:
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	74,961	73,346	81,064
Additions	3,306	7,402	3,843
Reductions	(4,826)	(5,787)	(11,561)
Ending Balance	$ 73,441	$ 74,961	$ 73,346