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 tax expense increase (decrease)	$ 2,100		$ (3,900)
Income tax expense (benefit)	14,049	$ 11,864	$ 10,641	$ 14,509
Effective tax rate estimate			11.60%	21.90%
Unrecognized tax benefits	12,900	10,600	$ 12,900	$ 10,600
Tax benefits that, if recognized, would affect the effective tax rate	$ 3,500	$ 3,100	$ 3,500	$ 3,100