SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for doubtful accounts receivable and revenue adjustments
Changes in valuation and qualifying accounts and reserves
Balance at Beginning of Period	$ 7,851	$ 5,448	$ 7,380
Additions, Charged to Costs and Expenses	1,466	4,327	1,223
Additions, Charged to Other Accounts	7,788	1,887	(245)
Deductions	3,879	3,811	2,910
Balance at End of Period	13,226	7,851	5,448
Allowance for other accounts receivable
Changes in valuation and qualifying accounts and reserves
Balance at Beginning of Period	660	476	806
Additions, Charged to Costs and Expenses	30	(14)	(330)
Additions, Charged to Other Accounts		198
Balance at End of Period	690	660	476
Allowance for deferred tax assets
Changes in valuation and qualifying accounts and reserves
Balance at Beginning of Period	1,284	668	53
Deductions	(912)	(616)	(615)
Balance at End of Period	$ 2,196	$ 1,284	$ 668