Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Income tax expense	$ 17,550,000	$ 2,150,000
Effective income tax rate	60.40%	18.50%
Deferred tax asset	$ 11,500,000
Unrecognized tax benefits	900,000	$ 0
Amount of interest and penalties	28,000	0
Cash payments for income taxes	$ 700,000	$ 100,000