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Income Taxes - Schedule of Deferred Tax Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Deferred tax assets:    
Deferred revenue on unredeemed Observatory admission ticket sales $ 676 $ 616
Federal net operating loss carryforward credit 0 328
New York State net operating loss carryforward credit 0 0
New York City net operating loss carryforward credit 0 0
Other deferred tax assets 253 161
Deferred tax assets $ 929 $ 1,105