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Income Taxes - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Income Tax Disclosure [Abstract]      
Income tax provision $ 13,965,000 $ 6,462,000  
Pretax income $ 57,652,000 $ 32,415,000  
Effective income tax rate 24.22% 19.94%  
Unrecognized tax benefits $ 2,800,000   $ 2,800,000
Interest accrued 299,000   276,000
Penalties accrued 0   $ 0
Decrease in unrecognized tax benefits is reasonably possible $ 902,000