Income Taxes (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Effective tax rate	0.10%		17.30%	12.20%	11.00%
Income tax (expense) benefit	$ (37,000)		$ (5,591,000)	$ (14,747,000)	$ 35,121,000
Goodwill impairment	$ 0	$ 0	$ 0	$ 0	379,863,000
Goodwill yielding permanent differences between book income and taxable income					209,500,000
Goodwill impairment, tax benefit					$ 50,400,000
Effective income tax rate percentage excluding goodwill impairment charge			17.30%		25.10%