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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Income Tax Disclosure [Abstract]    
Income tax expense $ 10,358 $ 7,176
Discrete tax benefit $ 7,485 $ 1,142
Effective income tax rate 15.30% 19.30%