Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income
Balance, beginning	$ 419,476	$ 209,357	$ 94,026
Balance, ending	326,204	419,476	209,357
Amounts reclassified from AOCI	0	0	0
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income
Balance, beginning	1,894	2,589	2,619
Other comprehensive loss	(634)
Balance, ending	1,260	1,894	$ 2,589
Unrealized Gain (Loss) on Marketable Securities, net of tax
Accumulated Other Comprehensive Income
Balance, beginning	(702)
Other comprehensive loss	(634)
Balance, ending	(1,336)	(702)
Foreign Currency Items
Accumulated Other Comprehensive Income
Balance, beginning	2,596
Balance, ending	$ 2,596	$ 2,596