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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Sep. 30, 2025	Dec. 31, 2024
Private Perpetual Preferred Units, Series 2019
Capital:
Private perpetual preferred units, liquidation preference (in USD per share)	$ 13.52	$ 13.52
Private perpetual preferred units, issued (in shares)	4,664	4,664
Private perpetual preferred units, outstanding (in shares)	4,664	4,664
Private Perpetual Preferred Units, Series 2014
Capital:
Private perpetual preferred units, liquidation preference (in USD per share)	$ 16.62	$ 16.62
Private perpetual preferred units, issued (in shares)	1,560	1,560
Private perpetual preferred units, outstanding (in shares)	1,560	1,560
Series PR Operating Partnership Units
Capital:
Limited partner operating partnership units, outstanding (in shares)	84,740	81,605
Series PR Operating Partnership Units | ESRT
Capital:
General partner operating partnership units, outstanding (in shares)	2,786	2,742
Limited partner operating partnership units, outstanding (in shares)	167,156	164,641
Series ES Operating Partnership Units Limited Partners
Capital:
Limited partner operating partnership units, outstanding (in shares)	17,239	18,181
Series 60 Operating Partnership Units Limited Partners
Capital:
Limited partner operating partnership units, outstanding (in shares)	4,433	4,589
Series 250 Operating Partnership Units Limited Partners
Capital:
Limited partner operating partnership units, outstanding (in shares)	2,262	2,393

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5

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-Section S99
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