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Noncontrolling Interests on the Company's Consolidated Financial Statements - Preferred Unit Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Rollforward Analysis of Preferred Unit Activity |  |  |
Redemption and conversion of common units | $ (9,216) |  | $ (29,817)
SL Green Operating Partnership |  |  |
Rollforward Analysis of Preferred Unit Activity |  |  |
Redemption and conversion of common units | (9,216) |  | (29,817)
SL Green Operating Partnership | Preferred Units |  |  |
Rollforward Analysis of Preferred Unit Activity |  |  |
Balance at beginning of period | 166,501 | $ 177,943 |
Issuance of preferred units | 0 | 0 |
Redemption and conversion of common units | (2,503) | (11,700) |
Dividends paid on preferred units | (4,453) | (6,271) |
Accrued dividends on preferred units | 4,665 | 6,529 |
Balance at end of period | $ 164,210 | $ 166,501 | $ 177,943

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- Definition Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481231/810-10-45-23 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481231/810-10-45-24 + Details
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