Supplemental Financial Information (Interest Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Supplemental Income Statement Elements [Abstract]
Interest on revolving credit facility	$ 1,344	$ 5	$ 2,183	$ 106
Line of credit fees	153	291	291	564
Debt issuance amortization costs	179	179	358	358
Interest income	(179)	(150)	(287)	(345)
Other	51	79	72	328
Total interest expense, net	$ 1,548	$ 404	$ 2,617	$ 1,011