XML 62 R48.htm IDEA: XBRL DOCUMENT v3.25.0.1
Deferred Costs, Acquired Lease Intangibles and Goodwill - Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2013
Deferred Costs [Line Items]      
Goodwill $ 491,479 $ 491,479  
Empire State Building observatory operations      
Deferred Costs [Line Items]      
Goodwill     $ 227,500
Empire State Building      
Deferred Costs [Line Items]      
Goodwill     250,800
501 Seventh Avenue      
Deferred Costs [Line Items]      
Goodwill     $ 13,200