SCHEDULE II - VALUATION ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounts receivable, allowance for doubtful accounts
Valuation accounts
Balance at Beginning of Period	$ 1,372	$ 1,730
Additions Charged (Credited) to Expense	(164)	5
Net (Deductions) Recoveries	(54)	(363)
Balance at End of Period	1,154	1,372
Deferred tax valuation allowance
Valuation accounts
Balance at Beginning of Period	468	153
Additions Charged (Credited) to Expense	50	315
Net (Deductions) Recoveries	0	0
Balance at End of Period	$ 518	$ 468