Supplemental Detail for Certain Components of Consolidated Balance Sheets - Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Other liabilities
Rent received in advance and other deferred revenue	$ 130,231	$ 127,687
Lease liability - operating leases, net	114,559	122,285
Lease liability - financing leases	6,256	5,946
Security deposits	5,817	6,303
Total other liabilities	$ 256,863	$ 262,221
Lease liability, operating leases, balance sheet line item	us-gaap:OtherLiabilities	us-gaap:OtherLiabilities
Lease liability, financing leases, balance sheet line item	us-gaap:OtherLiabilities	us-gaap:OtherLiabilities