Income Taxes - Reconciliation of Income Tax Rates (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes
Effective Income Tax Rate Reconciliation, Percent	(293.06%)	1.56%	2.46%
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ (709)	$ (10,538)	$ (1,919)
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Tax at U.S. federal statutory rate	(709)	(10,538)	(1,919)
State taxes, net of federal benefit	226	1,125	(3,852)
Foreign rate differential	3,872	2,296	1,654
Permanent items	(670)	(139)	(177)
Equity compensation	3,534	13,562	412
GILTI inclusion	540	932	570
Tax credits	(7,060)	(7,618)	(4,264)
Rate change	5,256	2,076	(2,922)
Other adjustments	3,131	1,223	3,736
Return to provision adjustments	(66)	(103)	(139)
Valuation allowance	1,837	(3,600)	6,676
Total provision (benefit)	$ 9,891	$ (784)	$ (225)
Reconciling items between the statutory income tax rate and the effective income tax rate (Percentage)
Tax at U.S. federal statutory rate	21.00%	21.00%	21.00%
State taxes, net of federal benefit	(6.71%)	(2.24%)	42.14%
Foreign rate differential	(114.72%)	(4.58%)	(18.09%)
Permanent items	19.84%	0.28%	1.93%
Equity compensation	(104.70%)	(27.03%)	(4.51%)
GILTI inclusion	(16.00%)	(1.86%)	(6.24%)
Tax credits	209.19%	15.18%	46.65%
Rate change	(155.75%)	(4.14%)	31.97%
Other adjustments	(92.76%)	(2.43%)	(40.87%)
Return to provision adjustments	1.95%	0.21%	1.52%
Valuation allowance	(54.40%)	7.17%	(73.04%)
Effective Income Tax Rate Reconciliation, Percent, Total	(293.06%)	1.56%	2.46%