Consolidated Balance Sheets (Partnership) (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets
Debt and preferred equity investments, discount and deferred origination fees	$ 1,623	$ 1,630
Allowance for loan and lease losses, real estate	13,520	13,520
SLGOP partners' capital:
Land and land interests	1,150,681	1,092,671
Building and improvements	3,729,884	3,655,624
Building leasehold and improvements	1,358,851	1,354,569
Right of use asset - operating leases	953,236	953,236
Accumulated depreciation	2,078,203	2,035,311
Other assets	533,802	413,670
Mortgages and other loans payable, net	1,695,163	1,491,319
Lease liability - financing leases	105,859	105,531
Other liabilities	437,302	471,401
SL Green Operating Partnership
Assets
Debt and preferred equity investments, discount and deferred origination fees	1,623	1,630
Allowance for loan and lease losses, real estate	$ 13,520	$ 13,520
Liabilities
Limited partner interests in Operating Partnership, limited partner common units outstanding (shares)	4,417	3,949
SLGOP partners' capital:
SL Green partner's capital, general partner common units outstanding (shares)	692	687
SL Green partners' capital, limited partner common units outstanding (shares)	64,114	64,039
Land and land interests	$ 1,150,681	$ 1,092,671
Building and improvements	3,729,884	3,655,624
Building leasehold and improvements	1,358,851	1,354,569
Right of use asset - operating leases	953,236	953,236
Accumulated depreciation	2,078,203	2,035,311
Other assets	533,802	413,670
Mortgages and other loans payable, net	1,695,163	1,491,319
Lease liability - financing leases	105,859	105,531
Other liabilities	437,302	471,401
Service Corporation
SLGOP partners' capital:
Land and land interests	120,400	41,200
Building and improvements	81,300	40,500
Building leasehold and improvements	0	0
Right of use asset - operating leases	0	0
Accumulated depreciation	5,700	5,400
Other assets	785,100	676,900
Mortgages and other loans payable, net	254,300	50,000
Accrued interest payable	2,700	900
Lease liability - financing leases	0	0
Other liabilities	$ 332,500	$ 306,500
Series I Preferred Stock | SL Green Operating Partnership
SLGOP partners' capital:
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