Consolidated Balance Sheets (Partnership) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
||||
|---|---|---|---|---|---|---|
| Commercial real estate properties, at cost: | ||||||
| Land and land interests | $ 1,579,973 | $ 1,699,215 | ||||
| Building and improvements | 4,272,142 | 4,012,305 | ||||
| Building leasehold and improvements | 1,478,991 | 1,448,112 | ||||
| Total commercial real estate properties, at cost | 7,331,106 | 7,159,632 | ||||
| Less: accumulated depreciation | (2,359,905) | (2,306,377) | ||||
| Total commercial real estate properties, net | 4,971,201 | 4,853,255 | ||||
| Assets held for sale | 214,586 | 0 | ||||
| Cash and cash equivalents | 180,788 | 155,747 | ||||
| Restricted cash | 200,961 | 180,748 | ||||
| Investments in marketable securities | 21,273 | 23,666 | ||||
| Tenant and other receivables | 60,180 | 45,524 | ||||
| Related party receivables | 13,867 | 16,293 | ||||
| Deferred rents receivable | 262,008 | 266,678 | ||||
| Debt and preferred equity investments, net of discounts and deferred origination fees of $3 and $14 and allowances of $300 and $454 in 2026 and 2025, respectively | 113,085 | 168,358 | ||||
| Investments in unconsolidated joint ventures | 2,849,912 | 2,624,755 | ||||
| Debt fund investments, at fair value | 379,004 | 152,958 | ||||
| Deferred costs, net of amortization of $184,525 and $174,617, respectively | 126,621 | 129,019 | ||||
| Right-of-use assets - operating leases | 902,113 | 864,430 | ||||
| Real estate loans held by consolidated securitization vehicles, at fair value | 1,031,212 | 1,023,877 | ||||
| Other assets | 482,190 | 577,299 | ||||
| Total assets | [1] | 11,809,001 | 11,082,607 | |||
| Liabilities | ||||||
| Mortgages and other loans payable, net | 2,229,405 | 2,146,049 | ||||
| Revolving credit facility, net | 839,670 | 637,796 | ||||
| Unsecured term loans, net | 1,143,344 | 1,147,591 | ||||
| Accrued interest payable | 17,637 | 15,221 | ||||
| Senior obligations of consolidated securitization vehicles, at fair value | 1,031,212 | 1,023,877 | ||||
| Other liabilities | 453,851 | 392,756 | ||||
| Accounts payable and accrued expenses | 129,346 | 134,621 | ||||
| Deferred revenue | 154,999 | 147,419 | ||||
| Lease liability - financing leases | 108,847 | 108,183 | ||||
| Lease liability - operating leases | 844,823 | 805,192 | ||||
| Dividend and distributions payable | 49,009 | 2,536 | ||||
| Security deposits | 70,515 | 68,276 | ||||
| Liabilities related to assets held for sale | 218,333 | 0 | ||||
| Junior subordinated deferrable interest debentures held by trusts that issued trust preferred securities | 100,000 | 100,000 | ||||
| Total liabilities | [1] | 7,390,991 | 6,729,517 | |||
| Commitments and contingencies (See Note 19) | ||||||
| Preferred units and redeemable equity | 204,344 | 199,271 | ||||
| SLGOP partners' capital: | ||||||
| Accumulated other comprehensive loss | 5,353 | (22,198) | ||||
| Total liabilities and equity | 11,809,001 | 11,082,607 | ||||
| SL Green Operating Partnership | ||||||
| Commercial real estate properties, at cost: | ||||||
| Land and land interests | 1,579,973 | 1,699,215 | ||||
| Building and improvements | 4,272,142 | 4,012,305 | ||||
| Building leasehold and improvements | 1,478,991 | 1,448,112 | ||||
| Total commercial real estate properties, at cost | 7,331,106 | 7,159,632 | ||||
| Less: accumulated depreciation | (2,359,905) | (2,306,377) | ||||
| Total commercial real estate properties, net | 4,971,201 | 4,853,255 | ||||
| Assets held for sale | 214,586 | 0 | ||||
| Cash and cash equivalents | 180,788 | 155,747 | ||||
| Restricted cash | 200,961 | 180,748 | ||||
| Investments in marketable securities | 21,273 | 23,666 | ||||
| Tenant and other receivables | 60,180 | 45,524 | ||||
| Related party receivables | 13,867 | 16,293 | ||||
| Deferred rents receivable | 262,008 | 266,678 | ||||
| Debt and preferred equity investments, net of discounts and deferred origination fees of $3 and $14 and allowances of $300 and $454 in 2026 and 2025, respectively | 113,085 | 168,358 | ||||
| Investments in unconsolidated joint ventures | 2,849,912 | 2,624,755 | ||||
| Debt fund investments, at fair value | 379,004 | 152,958 | ||||
| Deferred costs, net of amortization of $184,525 and $174,617, respectively | 126,621 | 129,019 | ||||
| Right-of-use assets - operating leases | 902,113 | 864,430 | ||||
| Real estate loans held by consolidated securitization vehicles, at fair value | 1,031,212 | 1,023,877 | ||||
| Other assets | 482,190 | 577,299 | ||||
| Total assets | [2] | 11,809,001 | 11,082,607 | |||
| Liabilities | ||||||
| Mortgages and other loans payable, net | 2,229,405 | 2,146,049 | ||||
| Revolving credit facility, net | 839,670 | 637,796 | ||||
| Unsecured term loans, net | 1,143,344 | 1,147,591 | ||||
| Accrued interest payable | 17,637 | 15,221 | ||||
| Senior obligations of consolidated securitization vehicles, at fair value | 1,031,212 | 1,023,877 | ||||
| Other liabilities | 453,851 | 392,756 | ||||
| Accounts payable and accrued expenses | 129,346 | 134,621 | ||||
| Deferred revenue | 154,999 | 147,419 | ||||
| Lease liability - financing leases | 108,847 | 108,183 | ||||
| Lease liability - operating leases | 844,823 | 805,192 | ||||
| Dividend and distributions payable | 49,009 | 2,536 | ||||
| Security deposits | 70,515 | 68,276 | ||||
| Liabilities related to assets held for sale | 218,333 | 0 | ||||
| Junior subordinated deferrable interest debentures held by trusts that issued trust preferred securities | 100,000 | 100,000 | ||||
| Total liabilities | [2] | 7,390,991 | 6,729,517 | |||
| Commitments and contingencies (See Note 19) | ||||||
| Limited partner interests in SLGOP (5,374 and 4,538 limited partner common units outstanding at June 30, 2026 and December 31, 2025, respectively) | 297,076 | 241,371 | ||||
| Preferred units and redeemable equity | 204,344 | 199,271 | ||||
| SLGOP partners' capital: | ||||||
| Series I Preferred Units, $25.00 liquidation preference, 9,200 issued and outstanding at both June 30, 2026 and December 31, 2025 | 221,932 | 221,932 | ||||
| SL Green partners' capital (762 and 757 general partner common units and 70,090 and 70,402 limited partner common units outstanding at June 30, 2026 and December 31, 2025, respectively) | 3,190,290 | 3,471,421 | ||||
| Accumulated other comprehensive loss | 5,353 | (22,198) | ||||
| Total SLGOP partners' capital | 3,417,575 | 3,671,155 | ||||
| Noncontrolling interests in other partnerships | 499,015 | 241,293 | ||||
| Total capital | 3,916,590 | 3,912,448 | ||||
| Total liabilities and equity | $ 11,809,001 | $ 11,082,607 | ||||
| ||||||
| X | ||||||||||
- Definition Carrying amount at the balance sheet date of long-lived, depreciable asset that is an addition or improvement to assets held under lease arrangement as well as the initial investment in a leasehold interest. No definition available.
|
| X | ||||||||||
- Definition Debt Fund Investments No definition available.
|
| X | ||||||||||
- Definition General And Limited Partners Capital Account No definition available.
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of accounts and financing receivable. Includes, but is not limited to, notes and loan receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount classified as assets attributable to disposal group held for sale or disposed of. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The carrying amount of deferred costs. No definition available.
|
| X | ||||||||||
- Definition Amount of excess of rental income recognized over rental payment required by lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of interest payable on debt, including, but not limited to, trade payables. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount classified as liabilities attributable to disposal group held for sale or disposed of. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of the limited partners' ownership interests. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of investment in marketable security. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of liabilities classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount due from parties in nontrade transactions, classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of ownership interest of different classes of partners in limited partnership. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Total of all Partners' Capital (deficit) items which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of partners' capital (deficit), including portions attributable to both the parent and noncontrolling interests. Excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of the preferred partners' ownership interests. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The cumulative amount of depreciation for real estate property held for investment purposes. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition As of the reporting date, the carrying amount of noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. The noncontrolling interest holder's ownership (or holders' ownership) may be in the form of preferred shares (regardless of class), preferred partnership units (regardless of class), preferential membership interests, or any other form of preferred equity regardless of investee entity legal form. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition This element represents money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Aggregate amount of servicing liabilities that are subsequently measured at fair value and servicing liabilities that are subsequently measured using the amortization method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|