Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for doubtful accounts and returns
Changes in Valuation and Qualifying Accounts
Balance at Beginning of Period			$ 818
Deductions			818
Deferred tax valuation allowance
Changes in Valuation and Qualifying Accounts
Balance at Beginning of Period	$ 7,689	$ 9,133	8,327
Charged to Costs and Expenses	1,529	780	806
Deductions	848	2,224
Balance at End of Period	$ 8,370	$ 7,689	$ 9,133