Accumulated Other Comprehensive Income (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Accumulated Other Comprehensive Income
Balance, beginning	$ 326,204
Balance, ending	246,718
Amounts reclassified from AOCI	0
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income
Balance, beginning	1,260
Other comprehensive gain	875
Balance, ending	2,135
Unrealized Loss on Marketable Securities
Accumulated Other Comprehensive Income
Balance, beginning	(1,336)
Other comprehensive gain	875
Balance, ending	(461)
Foreign Currency Items
Accumulated Other Comprehensive Income
Balance, beginning	2,596
Other comprehensive gain	0
Balance, ending	$ 2,596