Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Line Items]
Effective tax rate	17.50%	14.10%	15.60%	8.40%
Percentage of amount of U.S. federal, state and local income or franchise tax savings			50.00%
Remaining percentage of tax benefits			50.00%
Tax benefit assumed due to increase in amortizable tax basis			$ 93.2
Tax amortization period			15 years
Accounts payable, accrued expenses and other liabilities
Income Tax Disclosure [Line Items]
Tax liability	$ 2.8		$ 2.8