Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 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)	4,664,038	4,664,000
Private perpetual preferred units, outstanding (in shares)	4,664,000	4,664,000
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)	1,560,000	1,560,000
Private perpetual preferred units, outstanding (in shares)	1,560,000	1,560,000
Series PR Operating Partnership Units
Capital:
Limited partner operating partnership units, outstanding (in shares)	85,067,000	81,605,000
Series ES Operating Partnership Units Limited Partners
Capital:
Limited partner operating partnership units, outstanding (in shares)	17,483,000	18,181,000
Series 60 Operating Partnership Units Limited Partners
Capital:
Limited partner operating partnership units, outstanding (in shares)	4,460,000	4,589,000
Series 250 Operating Partnership Units Limited Partners
Capital:
Limited partner operating partnership units, outstanding (in shares)	2,298,000	2,393,000
ESRT \| Series PR Operating Partnership Units
Capital:
General partner operating partnership units, outstanding (in shares)	2,786,000	2,742,000
Limited partner operating partnership units, outstanding (in shares)	166,490,000	164,641,000