Debt - Financial Covenants in Credit Agreements (Details)	12 Months Ended
	Dec. 31, 2020 USD ($)
Debt Disclosure [Abstract]
Total leverage ratio, actual	2.0
Debt service coverage ratio, actual	6.6
Minimum liquidity balance, actual	$ 270,400,000
Ratio of indebtedness to EBITDA	3.25
Minimum debt service coverage ratio	2.0
Covenants minimum liquidity amount	$ 25,000,000.0