Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (4,075)	$ 4,148
Other comprehensive income (loss), net of tax:
Foreign currency translation	1,206	(1,314)
Net change in market value of investments	33	(64)
Net change in market value of interest rate swap	0	196
Other comprehensive income (loss)	1,239	(1,182)
Comprehensive income (loss)	$ (2,836)	$ 2,966