Supplemental Detail for Certain Components of Consolidated Balance Sheets - Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Other liabilities consist of the following at:
Lease liability - operating leases, net	$ 117,148	$ 122,285
Rent received in advance and other deferred revenue	112,003	127,687
Lease liability - financing leases	6,178	5,946
Security deposits	6,096	6,303
Total other liabilities	$ 241,425	$ 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