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Income Taxes - Summary of Differences Between Income Tax Expense Computed at Statutory Federal Income Tax Rate and Per Consolidated Statements of Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Tax expense at federal rate of 21% $ 36,764 $ 20,711 $ 15,164
State income taxes, net of federal benefit 4,816 321 1,227
Change in valuation allowance 1,228 2,459 (12,760)
Foreign tax rate differential (5,376) (1,809) (2,535)
Unrecognized tax benefit increase (decrease) 858 (4,405) 898
Tax effect of foreign operations 16,151 11,373 6,698
Tax benefit of research & development (4,123) (2,173) (2,506)
Performance-based compensation (1,887) (2,624) (560)
Other (1,157) 2,113 (478)
Income tax provision $ 47,274 $ 25,966 $ 5,148