Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current Federal, State and Local, Tax Expense (Benefit) [Abstract]
Germany	$ 2,260	$ 1,298
Foreign	797	161
Total current tax expense	3,057	1,459
Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract]
Germany	239	3,144
Foreign	15,102	386
Total deferred tax expense	15,341	3,530
Income tax expense	$ 18,398	$ 4,989