Supplemental Detail for Certain Components of Consolidated Balance Sheets - Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Other liabilities consist of the following at:
Lease liability - operating leases, net	$ 185,659	$ 114,559
Rent received in advance and other deferred revenue	156,471	130,231
Lease liability - financing leases	35,677	6,256
Security deposits	7,270	5,817
Total other liabilities	$ 385,077	$ 256,863
Lease liability, operating leases, balance sheet line item	Total other liabilities	Total other liabilities
Lease liability, financing leases, balance sheet line item	Total other liabilities	Total other liabilities