Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income before income tax	$ 72,322	$ 84,373	$ 125,498	$ 231,509
Income tax expense	$ 18,672	$ 22,410	$ 59,175	$ 58,607
Effective tax rate (as a percent)	25.80%	26.60%	47.20%	25.30%
Unrecognized tax benefits, period increase			$ 6,000
Unrecognized tax benefits approximate amount of estimated reduction within the next twelve months	$ 7,000		$ 7,000