v3.25.4
Consolidated Statements of Capital - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning balance   $ 1,781,962 $ 1,731,045 $ 1,683,091
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital   0 0 0
Repurchase of common units (in shares) (888,188)      
Repurchases of common units   (8,122)   (13,105)
Contributions to consolidated joint venture interests       187
Acquisition of non-controlling interest in other partnership     (15,297)  
Equity compensation, net of forfeitures   24,260 21,687 20,026
Distributions   (43,184) (42,490) (41,323)
Net income   72,980 80,359 84,407
Other comprehensive income (loss)   (5,704) 6,658 (2,238)
Ending balance $ 1,822,192 $ 1,822,192 $ 1,781,962 $ 1,731,045
General Partner | Series PR Operating Partnership Units        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning balance (in shares)   167,383,000 163,046,000 161,129,000
Beginning balance   $ 1,030,696 $ 985,518 $ 954,375
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital (in shares)   4,169,000 4,197,000 3,756,000
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital   $ 20,068 $ 15,306 $ 17,671
Repurchase of common units (in shares)   (1,199,000)   (2,151,000)
Repurchases of common units   $ (8,122)   $ (13,105)
Acquisition of non-controlling interest in other partnership     $ 114  
Equity compensation, net of forfeitures (in shares)   142,000 140,000 312,000
Equity compensation, net of forfeitures   $ 1,285 $ 1,300 $ 1,395
Distributions   (23,726) (23,221) (22,684)
Net income   43,400 47,441 49,044
Other comprehensive income (loss)   $ (3,599) $ 4,238 $ (1,178)
Ending balance (in shares) 170,495,000 170,495,000 167,383,000 163,046,000
Ending balance $ 1,060,002 $ 1,060,002 $ 1,030,696 $ 985,518
Limited Partners | Series PR Operating Partnership Units        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning balance (in shares)   81,605,000 80,189,000 80,475,000
Beginning balance   $ 711,904 $ 694,512 $ 681,827
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital (in shares)   (2,304,000) (1,650,000) (2,038,000)
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital   $ (19,361) $ (14,468) $ (17,380)
Equity compensation, net of forfeitures (in shares)   4,626,000 3,066,000 1,752,000
Equity compensation, net of forfeitures   $ 22,975 $ 20,387 $ 18,631
Distributions   (11,870) (11,400) (10,466)
Net income   19,121 21,095 22,439
Other comprehensive income (loss)   $ (1,586) $ 1,778 $ (539)
Ending balance (in shares) 83,927,000 83,927,000 81,605,000 80,189,000
Ending balance $ 721,183 $ 721,183 $ 711,904 $ 694,512
Limited Partners | Series ES Operating Partnership Units Limited Partners        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning balance (in shares)   18,181,000 19,947,000 21,081,000
Beginning balance   $ 7,126 $ 4,427 $ 1,391
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital (in shares)   (1,395,000) (1,766,000) (1,134,000)
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital   $ (550) $ (607) $ (215)
Distributions   (2,441) (2,639) (2,850)
Net income   4,470 5,483 6,251
Other comprehensive income (loss)   $ (371) $ 462 $ (150)
Ending balance (in shares) 16,786,000 16,786,000 18,181,000 19,947,000
Ending balance $ 8,234 $ 8,234 $ 7,126 $ 4,427
Limited Partners | Series 60 Operating Partnership Units Limited Partners        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning balance (in shares)   4,589,000 5,144,000 5,558,000
Beginning balance   $ 1,436 $ 779 $ 16
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital (in shares)   (293,000) (555,000) (414,000)
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital   $ (93) $ (154) $ (53)
Distributions   (625) (678) (749)
Net income   1,169 1,373 1,603
Other comprehensive income (loss)   $ (97) $ 116 $ (38)
Ending balance (in shares) 4,296,000 4,296,000 4,589,000 5,144,000
Ending balance $ 1,790 $ 1,790 $ 1,436 $ 779
Limited Partners | Series 250 Operating Partnership Units Limited Partners        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning balance (in shares)   2,393,000 2,619,000 2,789,000
Beginning balance   $ 860 $ 462 $ 76
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital (in shares)   (177,000) (226,000) (170,000)
Conversion of operating partnership units and Class B shares to ESRT Partner's Capital   $ (64) $ (77) $ (23)
Distributions   (321) (351) (373)
Net income   619 762 801
Other comprehensive income (loss)   $ (51) $ 64 $ (19)
Ending balance (in shares) 2,216,000 2,216,000 2,393,000 2,619,000
Ending balance $ 1,043 $ 1,043 $ 860 $ 462
Private Perpetual Preferred Units        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning balance (in shares)   6,224,000 6,224,000 6,224,000
Beginning balance   $ 29,940 $ 29,940 $ 29,940
Distributions   (4,201) (4,201) (4,201)
Net income   $ 4,201 $ 4,201 $ 4,201
Ending balance (in shares) 6,224,000 6,224,000 6,224,000 6,224,000
Ending balance $ 29,940 $ 29,940 $ 29,940 $ 29,940
Non-controlling Interest in Other Partnerships        
Increase (Decrease) in Partners' Capital [Roll Forward]        
Beginning balance   0 15,407 15,466
Contributions to consolidated joint venture interests       187
Acquisition of non-controlling interest in other partnership     (15,411)  
Net income   0 4 68
Other comprehensive income (loss)       (314)
Ending balance $ 0 $ 0 $ 0 $ 15,407