Consolidated Balance Sheets (Partnership) (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt and preferred equity investments, discount and deferred origination fees	$ 2,482	$ 5,057
Allowance for loan and lease losses, real estate	6,630	6,630
Building and improvements	3,579,961	3,671,402
Building leasehold and improvements	1,666,935	1,645,081
Accumulated depreciation	1,961,766	1,896,199
Other assets	277,487	262,841
Mortgages and other loans payable, net	1,516,921	1,394,386
Lease liability - financing leases	103,561	102,914
Other liabilities	264,876	195,390
Land and land interests	1,209,913	1,350,701
SL Green Operating Partnership
Debt and preferred equity investments, discount and deferred origination fees	2,482	5,057
Allowance for loan and lease losses, real estate	$ 6,630	$ 6,630
Limited partner interests in Operating Partnership, limited partner common units outstanding (shares)	4,144	3,782
SL Green partner's capital, general partner common units outstanding (shares)	685	677
SL Green partners' capital, limited partner common units outstanding (shares)	63,617	63,428
Building and improvements	$ 3,579,961	$ 3,671,402
Building leasehold and improvements	1,666,935	1,645,081
Accumulated depreciation	1,961,766	1,896,199
Other assets	277,487	262,841
Mortgages and other loans payable, net	1,516,921	1,394,386
Lease liability - financing leases	103,561	102,914
Other liabilities	264,876	195,390
Land and land interests	1,209,913	1,350,701
Service Corporation
Building and improvements	302,000	336,900
Building leasehold and improvements	0	0
Right of use asset - financing leases	15,400	15,400
Accumulated depreciation	12,500	11,700
Other assets	608,200	574,400
Mortgages and other loans payable, net	386,800	418,900
Accrued interest payable	100	800
Lease liability - financing leases	15,300	15,300
Other liabilities	152,400	145,200
Land and land interests	$ 179,600	$ 193,400
Series I Preferred Stock | SL Green Operating Partnership
Preferred units, liquidation preference (in dollars per share)	$ 25.00	$ 25.00
Preferred units, shares issued (in shares)	9,200	9,200
Preferred units, shares outstanding (in shares)	9,200	9,200