Schedule II - Valuation and Qualifying Accounts (Details) - Allowance for doubtful accounts - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	$ 399	$ 1,081	$ 1,079
Other	0	0	2
Additions	0	12	0
Deductions	(2)	(694)	0
Balance at end of year	$ 397	$ 399	$ 1,081