Investments in Partially Owned Entities (Alexander's Inc.) (Details) - Alexander's - USD ($) $ / shares in Units, $ in Thousands |
May 28, 2026 |
Sep. 30, 2026 |
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| Schedule Of Equity Method Investments | ||
| Equity method ownership percentage | 32.40% | |
| Rego Park 1 Property | ||
| Schedule Of Equity Method Investments | ||
| Proceeds from sale of property | $ 235,500 | |
| Net gain on sale | 44,329 | |
| Proceeds from commissions received | 2,355 | |
| Third party sales commissions and fees | $ 500 | |
| Equity Method Investee | ||
| Schedule Of Equity Method Investments | ||
| Ownership common shares, investee (in shares) | 1,654,068 | |
| Equity method ownership percentage | 32.40% | |
| Closing share price (in dollars per share) | $ 246.50 | |
| Equity method investment fair value | $ 407,728 | |
| Excess of investee's fair value over carrying amount | 323,461 | |
| Excess of investee's carrying amount over equity in net assets | $ 25,197 |
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- Definition Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition This item represents the aggregate value of each identified investment accounted for under the equity method of accounting based on the quoted market price for those investments in common stock for which a quoted market price is available. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of shares of investment owned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Cash received for commissions during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. No definition available.
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- Definition Primarily represents commissions incurred in the period based upon the sale by commissioned employees or third parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by third parties (such as a distributor or value added reseller). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Equity Method Investment Fair Value In Excess Of Carrying Amount No definition available.
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