Consolidated Balance Sheets (Partnership) (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt and preferred equity investments, net of discounts and deferred origination fees	$ 1,630	$ 1,811
Allowance for loan and lease losses	13,520	6,630
Land	1,092,671	1,576,927
Building and improvements	3,655,624	4,903,776
Building leasehold and improvements	1,354,569	1,691,831
Right of use asset - operating leases	953,236	1,026,265
Accumulated depreciation	2,035,311	2,039,554
Other assets	413,670	546,945
Real estate debt	1,491,319	3,227,563
Lease liabilities	105,531	104,218
Other liabilities	471,401	236,211
SL Green Operating Partnership
Debt and preferred equity investments, net of discounts and deferred origination fees	1,630	1,811
Allowance for loan and lease losses	$ 13,520	$ 6,630
Limited partner interests in Operating Partnership, limited partner common units outstanding (shares)	3,949	3,670
SL Green partner's capital, general partner common units outstanding (shares)	687	680
SL Green partners' capital, limited partner common units outstanding (shares)	64,039	63,700
Land	$ 1,092,671	$ 1,576,927
Building and improvements	3,655,624	4,903,776
Building leasehold and improvements	1,354,569	1,691,831
Right of use asset - operating leases	953,236	1,026,265
Accumulated depreciation	2,035,311	2,039,554
Other assets	413,670	546,945
Real estate debt	1,491,319	3,227,563
Lease liabilities	105,531	104,218
Other liabilities	471,401	236,211
Service Corporation
Land	41,200	41,200
Building and improvements	40,500	41,000
Building leasehold and improvements	0	0
Right of use asset - operating leases	0	0
Accumulated depreciation	5,400	4,400
Other assets	676,900	599,200
Real estate debt	50,000	49,800
Accrued interest payable	900	200
Lease liabilities	0	0
Other liabilities	$ 306,500	$ 146,400
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