Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for Credit Losses
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 50	$ 50	$ 129
Deductions Credited to Expenses or Other Accounts			(79)
Balance at End of Period	50	50	50
Deferred Tax Valuation Allowance
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	69,314	55,951	45,494
Additions Charged to Expenses or Other Accounts	13,360	13,363	10,457
Balance at End of Period	$ 82,674	$ 69,314	$ 55,951