Other Liabilities, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Other Liabilities, Net.
Lease intangible liabilities, net	$ 8,567	$ 10,300
Lease assumption liabilities	6,257	10,126
Lease incentive liabilities	14,125	13,913
Liabilities related to operating lease right-of-use assets	$ 8,914	$ 10,752
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Total other liabilities, net	Total other liabilities, net
Liabilities related to finance lease right-of-use assets	$ 40,733	$ 40,221
Finance Lease, Liability, Statement of Financial Position [Extensible List]	Total other liabilities, net	Total other liabilities, net
Prepaid rent	$ 20,343	$ 19,809
Security deposits	17,953	13,654
Environmental liabilities	18,168	18,242
Deferred tax liability, net	6,290	2,509
Dividends payable		34,075
Derivative agreements, at fair value	28,406	44,222
Deferred Purchase Price	19,639	19,479
Other	10,809	10,472
Total other liabilities, net	$ 200,204	$ 247,774