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Stockholders' Equity of the Company (Tables) | 12 Months Ended
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Dec. 31, 2023
Stockholders' Equity Note [Abstract] |
Class of treasury stock | The following table summarizes share repurchases executed under the program, excluding the redemption of OP units, for the years ended December 31, 2023, 2022 and 2021 as follows:
Period |  | Shares repurchased |  | Average price paid per share |  | Cumulative number of shares repurchased as part of the repurchase plan or programs
Year ended 2021 |  | 4,474,649 |  | $75.44 |  | 34,136,627
Year ended 2022 |  | 1,971,092 |  | $76.69 |  | 36,107,719
Year ended 2023 |  | — |  | $— |  | 36,107,719
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, 2023, 2022, and 2021, respectively (dollars in thousands):
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
Shares of common stock issued | 17,180 |  |  | 10,839 |  |  | 10,387 |
Dividend reinvestments/stock purchases under the DRSPP | $ | 525 |  |  | $ | 525 |  |  | $ | 738 |
Schedule of earnings per share | SL Green's earnings per share for the years ended December 31, 2023, 2022, and 2021 are computed as follows (in thousands):
| Year Ended December 31,
Numerator | 2023 |  | 2022 |  | 2021
Basic Earnings: |  |  |  |  |
(Loss) income attributable to SL Green common stockholders | $ | (579,509) |  |  | $ | (93,024) |  |  | $ | 434,804 |
Less: distributed earnings allocated to participating securities | (2,655) |  |  | (2,219) |  |  | (2,398) |
Less: undistributed earnings allocated to participating securities | — |  |  | — |  |  | (192) |
Net (loss) income attributable to SL Green common stockholders (numerator for basic earnings per share) | $ | (582,164) |  |  | $ | (95,243) |  |  | $ | 432,214 |
Add back: dilutive effect of earnings allocated to participating securities and contingently issuable shares | — |  |  | — |  |  | 2,039 |
Add back: undistributed earnings allocated to participating securities | — |  |  | — |  |  | 192 |
Add back: effect of dilutive securities (redemption of units to common shares) | (37,465) |  |  | (5,794) |  |  | 25,457 |
(Loss) income attributable to SL Green common stockholders (numerator for diluted earnings per share) | $ | (619,629) |  |  | $ | (101,037) |  |  | $ | 459,902 |
| Year Ended December 31,
Denominator | 2023 |  | 2022 |  | 2021
Basic Shares: |  |  |  |  |
Weighted average common stock outstanding | 63,809 |  |  | 63,917 |  |  | 65,740 |
Effect of Dilutive Securities: |  |  |  |  |
Operating Partnership units redeemable for common shares | 4,163 |  |  | 4,012 |  |  | 3,987 |
Stock-based compensation plans | — |  |  | — |  |  | 705 |
Contingently issuable shares | — |  |  | — |  |  | 337 |
Diluted weighted average common stock outstanding | 67,972 |  |  | 67,929 |  |  | 70,769 |

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