Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Current tax expense (benefit):
Income tax provision	$ 19,258	$ 5,079	$ 47,669	$ 30,093
Effective tax rate	24.10%	7.60%	25.80%	15.00%
Current income tax expense (benefit)			$ 10,100
Deferred tax expense (benefit):
Unrecognized Tax Benefits	$ 35,700		35,700
Deferred Income Tax Expense (Benefit), Excluding Discontinued Operations			$ 34,400