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Stockholders' Equity of the Company (Tables) | 12 Months Ended
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Dec. 31, 2024
Stockholders' Equity Note [Abstract] |
Schedule of common stock issued and proceeds received dividend reinvestments | The following table summarizes SL Green common stock issued, and proceeds received from dividend reinvestments and/or stock purchases under the DRSPP for the years ended December 31, 2024, 2023, and 2022, respectively (dollars in thousands):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
Shares of common stock issued | 728,352 |  |  | 17,180 |  |  | 10,839 |
Dividend reinvestments/stock purchases under the DRSPP | $ | 52,308 |  |  | $ | 525 |  |  | $ | 525 |
Schedule of earnings per share | SL Green's earnings per share for the years ended December 31, 2024, 2023, and 2022 are computed as follows (in thousands):
| Year Ended December 31,
Numerator | 2024 |  | 2023 |  | 2022
Basic Earnings: |  |  |  |  |
Income (loss) attributable to SL Green common stockholders | $ | 7,060 |  |  | $ | (579,509) |  |  | $ | (93,024) |
Less: distributed earnings allocated to participating securities | (1,835) |  |  | (2,655) |  |  | (2,219) |
Less: undistributed earnings allocated to participating securities | (64) |  |  | — |  |  | — |
Net income (loss) attributable to SL Green common stockholders (numerator for basic earnings per share) | $ | 5,161 |  |  | $ | (582,164) |  |  | $ | (95,243) |
Add back: dilutive effect of earnings allocated to participating securities and contingently issuable shares | — |  |  | — |  |  | — |
Add back: undistributed earnings allocated to participating securities | — |  |  | — |  |  | — |
Add back: effect of dilutive securities (redemption of units to common shares) | — |  |  | (37,465) |  |  | (5,794) |
Income (loss) attributable to SL Green common stockholders (numerator for diluted earnings per share) | $ | 5,161 |  |  | $ | (619,629) |  |  | $ | (101,037) |
| Year Ended December 31,
Denominator | 2024 |  | 2023 |  | 2022
Basic Shares: |  |  |  |  |
Weighted average common stock outstanding | 65,062 |  |  | 63,809 |  |  | 63,917 |
Effect of Dilutive Securities: |  |  |  |  |
Operating Partnership units redeemable for common shares | — |  |  | 4,163 |  |  | 4,012 |
Stock-based compensation plans | 626 |  |  | — |  |  | — |
Diluted weighted average common stock outstanding | 65,688 |  |  | 67,972 |  |  | 67,929 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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