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v3.10.0.1

Consolidated Statements of Capital - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |
Beginning balance |  | $ 1,977,737 |  | $ 1,982,863 |  | $ 1,372,686 | $ 1,977,737 | $ 1,982,863 | $ 1,372,686
Issuance of OP units, net of costs |  |  |  |  |  |  | 4,749 |  | 611,206
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital |  |  |  |  |  |  | 0 | 0 | 0
Equity compensation |  |  |  |  |  |  | 18,785 | 14,100 | 9,729
Distributions |  |  |  |  |  |  | (126,539) | (126,963) | (114,954)
Net income | $ 39,781 | $ 18,058 | $ 32,260 | $ 19,145 | $ 33,008 | $ 16,705 | 117,253 | 118,253 | 107,250
Unrealized loss on valuation of interest rate swap agreements |  |  |  |  |  |  |  |  | (3,054)
Other comprehensive income (loss) |  |  |  |  |  |  | (876) | (10,516) | (3,054)
Ending balance | $ 1,991,109 |  | $ 1,977,737 |  | $ 1,982,863 |  | $ 1,991,109 | $ 1,977,737 | $ 1,982,863
General Partner | Series PR Operating Partnership Units |  |  |  |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |
Beginning balance (in units) |  | 161,477,000 |  | 155,841,000 |  | 120,023,000 | 161,477,000 | 155,841,000 | 120,023,000
Beginning balance |  | $ 1,168,282 |  | $ 1,154,136 |  | $ 524,729 | $ 1,168,282 | $ 1,154,136 | $ 524,729
Issuance of OP units, net (in units) |  |  |  |  |  |  | 284,000 |  | 29,611,000
Issuance of OP units, net of costs |  |  |  |  |  |  | $ 4,749 |  | $ 611,206
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital (in units) |  |  |  |  |  |  | 13,127,000 | 5,615,000 | 6,167,000
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital |  |  |  |  |  |  | $ 70,779 | $ 23,435 | $ 23,678
Equity compensation (in units) |  |  |  |  |  |  | 24,000 | 21,000 | 40,000
Equity compensation |  |  |  |  |  |  | $ 417 | $ 468 | $ 357
Distributions |  |  |  |  |  |  | (70,854) | (66,789) | (55,812)
Net income |  |  |  |  |  |  | 65,603 | 62,647 | 51,456
Unrealized loss on valuation of interest rate swap agreements |  |  |  |  |  |  |  |  | $ (1,478)
Other comprehensive income (loss) |  |  |  |  |  |  | $ (494) | $ (5,615) |
Ending balance (in units) | 174,912,000 |  | 161,477,000 |  | 155,841,000 |  | 174,912,000 | 161,477,000 | 155,841,000
Ending balance | $ 1,238,482 |  | $ 1,168,282 |  | $ 1,154,136 |  | $ 1,238,482 | $ 1,168,282 | $ 1,154,136
Limited Partners | Series PR Operating Partnership Units |  |  |  |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |
Beginning balance (in units) |  | 91,760,000 |  | 93,075,000 |  | 93,863,000 | 91,760,000 | 93,075,000 | 93,863,000
Beginning balance |  | $ 778,279 |  | $ 793,360 |  | $ 809,901 | $ 778,279 | $ 793,360 | $ 809,901
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital (in units) |  |  |  |  |  |  | (8,168,000) | (2,611,000) | (2,657,000)
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital |  |  |  |  |  |  | $ (68,386) | $ (21,997) | $ (22,264)
Equity compensation (in units) |  |  |  |  |  |  | 2,610,000 | 1,296,000 | 1,869,000
Equity compensation |  |  |  |  |  |  | $ 18,368 | $ 13,632 | $ 9,372
Distributions |  |  |  |  |  |  | (36,284) | (38,969) | (37,621)
Net income |  |  |  |  |  |  | 33,383 | 35,430 | 34,977
Unrealized loss on valuation of interest rate swap agreements |  |  |  |  |  |  |  |  | $ (1,005)
Other comprehensive income (loss) |  |  |  |  |  |  | $ (252) | $ (3,177) |
Ending balance (in units) | 86,202,000 |  | 91,760,000 |  | 93,075,000 |  | 86,202,000 | 91,760,000 | 93,075,000
Ending balance | $ 725,108 |  | $ 778,279 |  | $ 793,360 |  | $ 725,108 | $ 778,279 | $ 793,360
Limited Partners | Series ES Operating Partnership Units Limited Partners |  |  |  |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |
Beginning balance (in units) |  | 33,774,000 |  | 35,728,000 |  | 38,262,000 | 33,774,000 | 35,728,000 | 38,262,000
Beginning balance |  | $ 17,132 |  | $ 20,091 |  | $ 22,074 | $ 17,132 | $ 20,091 | $ 22,074
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital (in units) |  |  |  |  |  |  | (3,645,000) | (1,954,000) | (2,534,000)
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital |  |  |  |  |  |  | $ (1,809) | $ (978) | $ (1,075)
Distributions |  |  |  |  |  |  | (13,161) | (14,477) | (14,642)
Net income |  |  |  |  |  |  | 12,330 | 13,726 | 14,140
Unrealized loss on valuation of interest rate swap agreements |  |  |  |  |  |  |  |  | $ (406)
Other comprehensive income (loss) |  |  |  |  |  |  | $ (93) | $ (1,230) |
Ending balance (in units) | 30,129,000 |  | 33,774,000 |  | 35,728,000 |  | 30,129,000 | 33,774,000 | 35,728,000
Ending balance | $ 14,399 |  | $ 17,132 |  | $ 20,091 |  | $ 14,399 | $ 17,132 | $ 20,091
Limited Partners | Series 60 Operating Partnership Units Limited Partners |  |  |  |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |
Beginning balance (in units) |  | 8,988,000 |  | 9,701,000 |  | 10,318,000 | 8,988,000 | 9,701,000 | 10,318,000
Beginning balance |  | $ 3,992 |  | $ 4,880 |  | $ 5,366 | $ 3,992 | $ 4,880 | $ 5,366
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital (in units) |  |  |  |  |  |  | (968,000) | (713,000) | (617,000)
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital |  |  |  |  |  |  | $ (423) | $ (310) | $ (218)
Distributions |  |  |  |  |  |  | (3,532) | (3,889) | (3,985)
Net income |  |  |  |  |  |  | 3,373 | 3,637 | 3,827
Unrealized loss on valuation of interest rate swap agreements |  |  |  |  |  |  |  |  | $ (110)
Other comprehensive income (loss) |  |  |  |  |  |  | $ (25) | $ (326) |
Ending balance (in units) | 8,020,000 |  | 8,988,000 |  | 9,701,000 |  | 8,020,000 | 8,988,000 | 9,701,000
Ending balance | $ 3,385 |  | $ 3,992 |  | $ 4,880 |  | $ 3,385 | $ 3,992 | $ 4,880
Limited Partners | Series 250 Operating Partnership Units Limited Partners |  |  |  |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |
Beginning balance (in units) |  | 4,410,000 |  | 4,747,000 |  | 5,106,000 | 4,410,000 | 4,747,000 | 5,106,000
Beginning balance |  | $ 2,048 |  | $ 2,392 |  | $ 2,612 | $ 2,048 | $ 2,392 | $ 2,612
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital (in units) |  |  |  |  |  |  | (346,000) | (337,000) | (359,000)
Conversion of operating partnership units to Class A shares and Class B shares to ESRT partner's capital |  |  |  |  |  |  | $ (161) | $ (150) | $ (121)
Distributions |  |  |  |  |  |  | (1,772) | (1,903) | (1,958)
Net income |  |  |  |  |  |  | 1,628 | 1,877 | 1,914
Unrealized loss on valuation of interest rate swap agreements |  |  |  |  |  |  |  |  | $ (55)
Other comprehensive income (loss) |  |  |  |  |  |  | $ (12) | $ (168) |
Ending balance (in units) | 4,064,000 |  | 4,410,000 |  | 4,747,000 |  | 4,064,000 | 4,410,000 | 4,747,000
Ending balance | $ 1,731 |  | $ 2,048 |  | $ 2,392 |  | $ 1,731 | $ 2,048 | $ 2,392
Private Perpetual Preferred Units |  |  |  |  |  |  |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |  |  |  |  |  |  |
Beginning balance (in units) |  | 1,560,000 |  | 1,560,000 |  | 1,560,000 | 1,560,000 | 1,560,000 | 1,560,000
Beginning balance |  | $ 8,004 |  | $ 8,004 |  | $ 8,004 | $ 8,004 | $ 8,004 | $ 8,004
Distributions |  |  |  |  |  |  | (936) | (936) | (936)
Net income |  |  |  |  |  |  | $ 936 | $ 936 | $ 936
Ending balance (in units) | 1,560,000 |  | 1,560,000 |  | 1,560,000 |  | 1,560,000 | 1,560,000 | 1,560,000
Ending balance | $ 8,004 |  | $ 8,004 |  | $ 8,004 |  | $ 8,004 | $ 8,004 | $ 8,004

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