Income Taxes - Income Tax Expense from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 0	$ 0
State	373	24
Foreign	1,976	2,467
Total current income tax expense	2,349	2,491
Deferred:
Federal	0	0
State	0	0
Foreign	(590)	(95)
Total deferred income tax benefit	(590)	(95)
Income tax expense	$ 1,759	$ 2,396