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Partners' Capital of the Operating Partnership (Tables) | 9 Months Ended
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Sep. 30, 2021
Equity [Abstract] |
Schedule of calculation of numerator and denominator in earnings per unit | The Operating Partnership's earnings per unit for the three and nine months ended September 30, 2021 and 2020, respectively, are computed as follows (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
Numerator | 2021 |  | 2020 |  | 2021 |  | 2020
Basic Earnings: |  |  |  |  |  |  |
Net income attributable to SLGOP common unitholders | $ | 410,888 |  |  | $ | 14,661 |  |  | $ | 514,562 |  |  | $ | 195,177 |
Less: distributed earnings allocated to participating securities | (363) |  |  | (333) |  |  | (1,090) |  |  | (777) |
Less: undistributed earnings allocated to participating securities | (1,942) |  |  | — |  |  | (1,736) |  |  | (141) |
Net income attributable to SLGOP common unitholders (numerator for basic earnings per unit) | $ | 408,583 |  |  | $ | 14,328 |  |  | $ | 511,736 |  |  | $ | 194,259 |
Add back: dilutive effect of earnings allocated to participating securities | 363 |  |  | 333 |  |  | 1,090 |  |  | 777 |
Add back: undistributed earnings allocated to participating securities | 1,942 |  |  | — |  |  | 1,736 |  |  | 141 |
Net income attributable to SLGOP common unitholders (numerator for diluted earnings per unit) | $ | 410,888 |  |  | $ | 14,661 |  |  | $ | 514,562 |  |  | $ | 195,177 |
| Three Months Ended September 30, |  | Nine Months Ended September 30,
Denominator | 2021 |  | 2020 |  | 2021 |  | 2020
Basic units: |  |  |  |  |  |  |
Weighted average common units outstanding | 70,674 |  |  | 74,972 |  |  | 72,299 |  |  | 77,496 |
Effect of Dilutive Securities: |  |  |  |  |  |  |
Stock-based compensation plans | 813 |  |  | 442 |  |  | 684 |  |  | 441 |
Contingently issuable units from special distribution declared December 4, 2020 and issued January 15, 2021 | — |  |  | — |  |  | 104 |  |  | — |
Diluted weighted average common units outstanding | 71,487 |  |  | 75,414 |  |  | 73,087 |  |  | 77,937 |

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- References No definition available. + Details
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