Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 24,022,000	$ 26,889,000	$ 82,196,000	$ 87,678,000
Effective tax rate	18.60%	20.20%	20.00%	21.90%
Minimum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Increase in unrecognized tax benefits is reasonably possible	$ 0		$ 0
Maximum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Increase in unrecognized tax benefits is reasonably possible	$ 800,000		$ 800,000