Schedule II. - VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for doubtful accounts - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Valuation and Qualifying Accounts
Balance at beginning of year	$ 85	$ 182	$ 111
Charged to cost and expenses	194	155	245
Deductions	(181)	(252)	(174)
Balance at end of year	$ 98	$ 85	$ 182