Income Taxes - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2016
Income Taxes [Line Items]
Income tax expense recognized from the re-measurement of net deferred tax liabilities	$ 8.3
Change in tax rate income tax expense (benefit)		$ 56.9
Transition tax for accumulated foreign earnings, income tax benefit		(0.8)
Non-deductible officer's compensation provisional income tax expense		5.6
Tax depreciation provisional income tax benefit		19.7
Unrecognized tax benefits	1.8	$ 2.9	$ 2.8	$ 2.3
Interest	0.1
Unrecognized tax benefits that would impact effective tax rate	1.8
Anticipated decrease in unrecognized tax positions	0.6
Federal
Income Taxes [Line Items]
Operating loss carryforwards	3.2
State
Income Taxes [Line Items]
Operating loss carryforwards	0.7
Operating loss carryforwards, valuation allowance	$ 0.2