Long-Term Debt - Financial Covenants in Credit Agreements (Details)	3 Months Ended
	Mar. 31, 2020 USD ($)
Debt Disclosure [Abstract]
Total leverage ratio, actual	2.41
Debt service coverage ratio, actual	5.48
Minimum liquidity balance, actual	$ 195,000,000.0
Total Leverage Ratio	3.25
Debt Service Coverage Ratio	2.00
Minimum liquidity balance	$ 25,000,000.0