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Segment Reporting (Details 3) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Segment Reporting |  |  |  |
Accounts Receivable, Credit Loss Expense (Reversal) |  | $ 3,212 |  | $ 10,822
Total revenue | $ 587,613 | 575,982 | $ 1,731,060 | 1,706,015
NOI | 409,109 | 384,381 | 1,207,680 | 1,127,317
Gross real estate | 23,122,858 | 21,439,954 | 23,122,858 | 21,439,954
Operating Segments | Established |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 461,233 | 449,052 | 1,369,526 | 1,327,824
NOI | 327,025 | 320,222 | 978,642 | 947,653
Gross real estate | 15,692,518 | 15,597,803 | 15,692,518 | 15,597,803
Operating Segments | Established | New England |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 64,608 | 62,705 | 190,009 | 184,377
NOI | 42,651 | 41,591 | 125,362 | 121,028
Gross real estate | 2,103,731 | 2,090,871 | 2,103,731 | 2,090,871
Operating Segments | Established | Metro NY/NJ |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 103,471 | 101,285 | 307,746 | 299,058
NOI | 72,476 | 72,131 | 217,531 | 211,560
Gross real estate | 3,539,251 | 3,520,938 | 3,539,251 | 3,520,938
Operating Segments | Established | Mid-Atlantic |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 73,906 | 71,715 | 219,008 | 212,584
NOI | 51,474 | 50,067 | 153,599 | 148,838
Gross real estate | 2,678,892 | 2,666,241 | 2,678,892 | 2,666,241
Operating Segments | Established | Pacific Northwest |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 28,589 | 27,723 | 84,615 | 81,104
NOI | 20,683 | 19,679 | 61,498 | 57,445
Gross real estate | 988,952 | 983,942 | 988,952 | 983,942
Operating Segments | Established | Northern California |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 88,914 | 86,369 | 264,575 | 256,351
NOI | 68,000 | 66,362 | 203,623 | 197,308
Gross real estate | 2,782,426 | 2,768,192 | 2,782,426 | 2,768,192
Operating Segments | Established | Southern California |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 101,745 | 99,255 | 303,573 | 294,350
NOI | 71,741 | 70,392 | 217,029 | 211,474
Gross real estate | 3,599,266 | 3,567,619 | 3,599,266 | 3,567,619
Operating Segments | Other Stabilized |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 76,727 | 61,448 | 220,120 | 171,466
NOI | 51,187 | 41,537 | 148,570 | 114,171
Gross real estate | 3,372,470 | 2,791,565 | 3,372,470 | 2,791,565
Operating Segments | Development / Redevelopment |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 46,450 | 33,223 | 122,093 | 96,633
NOI | 30,897 | 22,622 | 80,468 | 65,493
Gross real estate | 3,485,596 | 2,460,076 | 3,485,596 | 2,460,076
Operating Segments | Disposals [Member] |  |  |  |
Segment Reporting |  |  |  |
Gross real estate |  | 1,103,809 |  | 1,103,809
Land Held for Future Development |  |  |  |
Segment Reporting |  |  |  |
Gross real estate | 20,095 | 116,582 | 20,095 | 116,582
Non-allocated |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 1,231 | 912 | 3,484 | 2,752
Gross real estate | 552,179 | 473,928 | 552,179 | 473,928
Continuing Operations |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 585,641 | 544,635 | 1,715,223 | 1,598,675
Continuing Operations | Operating Segments | Established |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 461,233 | 449,052 | 1,369,526 | 1,327,824
Continuing Operations | Operating Segments | Other Stabilized |  |  |  |
Segment Reporting |  |  |  |
Total revenue | 76,727 | 61,448 | 220,120 | 171,466
Continuing Operations | Non-allocated |  |  |  |
Segment Reporting |  |  |  |
Total revenue | $ 1,231 | $ 912 | $ 3,484 | $ 2,752

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