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v3.19.1

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Assets |  |
Tenant and other receivables allowance |  | $ 488
Deferred rent receivables allowance |  | $ 19
Capital |  |
Private perpetual preferred units, liquidation preference (in USD per share) | $ 16.62 | $ 16.62
Private perpetual preferred units, issued (in shares) | 1,560,360 | 1,560,360
Private perpetual preferred units, outstanding (in shares) | 1,560,360 | 1,560,360
General partner operating partnership units, outstanding (in shares) | 176,593,237 |
Limited partner operating partnership units, outstanding (in shares) | 128,232,650 |
Series PR operating partnership units |  |
Capital |  |
Limited partner operating partnership units, outstanding (in shares) | 87,324,372 | 86,202,638
Series ES operating partnership units |  |
Capital |  |
Limited partner operating partnership units, outstanding (in shares) | 29,048,049 | 30,129,556
Series 60 operating partnership units |  |
Capital |  |
Limited partner operating partnership units, outstanding (in shares) | 7,874,673 | 8,019,509
Series 250 operating partnership units |  |
Capital |  |
Limited partner operating partnership units, outstanding (in shares) | 3,985,556 | 4,063,737
ESRT | Series PR operating partnership units |  |
Capital |  |
General partner operating partnership units, outstanding (in shares) | 3,048,259 | 3,033,261
Limited partner operating partnership units, outstanding (in shares) | 173,544,978 | 171,877,365

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