Commitments and Contingencies - Hurricane Impacts (Details) $ in Thousands	3 Months Ended			9 Months Ended		36 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2017 property	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)
Hurricane Impact
Insurance proceeds for property restoration				$ 8,746	$ 3,787
Loss from Catastrophes | PUERTO RICO | Wholly owned properties
Hurricane Impact
Number of properties significantly damaged | property			2
Total insurance proceeds received						$ 80,200
Insurance proceeds for property restoration						$ 47,200
Loss from Catastrophes | PUERTO RICO | Wholly owned properties | Other income
Hurricane Impact
Insurance proceeds for business interruption	$ 1,900	$ 1,600		$ 4,600	$ 9,200
Loss from Catastrophes | TEXAS
Hurricane Impact
Asset write-offs	9,600
Insurance proceeds from third-party carriers	7,000
Loss from Catastrophes | LOUISIANA
Hurricane Impact
Asset write-offs	$ 11,100