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Deferred Costs, Acquired Lease Intangibles and Goodwill - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Deferred Costs [Line Items]
Goodwill	$ 491,479	$ 491,479
Observatory Reportable Segment
Deferred Costs [Line Items]
Goodwill	227,500	227,500
Real Estate Reportable Segment
Deferred Costs [Line Items]
Goodwill	$ 264,000	$ 264,000

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[Line Items] for Deferred Costs [Table]

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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