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Reportable Segments (Tables) | 9 Months Ended
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Sep. 30, 2018
Segment Reporting [Abstract] |
Schedule of Reconciliation of NOI from Rental Real Estate Specific to Continuing Operations | The following table presents a reconciliation of NOI from our rental real estate for the nine months and quarters ended September 30, 2018 and 2017, respectively (amounts in thousands):
|  | Nine Months Ended September 30, |  |  | Quarter Ended September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Rental income |  | $ | 1,925,128 |  |  | $ | 1,840,170 |  |  | $ | 652,677 |  |  | $ | 623,951 |
Property and maintenance expense |  |  | (322,487 | ) |  |  | (306,645 | ) |  |  | (110,541 | ) |  |  | (104,721 | )
Real estate taxes and insurance expense |  |  | (268,784 | ) |  |  | (253,318 | ) |  |  | (87,388 | ) |  |  | (84,087 | )
Total operating expenses |  |  | (591,271 | ) |  |  | (559,963 | ) |  |  | (197,929 | ) |  |  | (188,808 | )
Net operating income |  | $ | 1,333,857 |  |  | $ | 1,280,207 |  |  | $ | 454,748 |  |  | $ | 435,143 |
Schedule of NOI for Each Segment from Rental Real Estate Specific to Continuing Operations | The following tables present NOI for each segment from our rental real estate for the nine months and quarters ended September 30, 2018 and 2017, respectively, as well as total assets and capital expenditures at September 30, 2018 (amounts in thousands):
|  | Nine Months Ended September 30, 2018 |  |  | Nine Months Ended September 30, 2017 |
|  | Rental Income |  |  | Operating Expenses |  |  | NOI |  |  | Rental Income |  |  | Operating Expenses |  |  | NOI |
Same store (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Los Angeles |  | $ | 310,972 |  |  | $ | 89,211 |  |  | $ | 221,761 |  |  | $ | 300,702 |  |  | $ | 85,972 |  |  | $ | 214,730 |
Orange County |  |  | 68,513 |  |  |  | 16,706 |  |  |  | 51,807 |  |  |  | 66,082 |  |  |  | 16,330 |  |  |  | 49,752 |
San Diego |  |  | 68,640 |  |  |  | 17,984 |  |  |  | 50,656 |  |  |  | 66,052 |  |  |  | 17,415 |  |  |  | 48,637 |
Subtotal - Southern California |  |  | 448,125 |  |  |  | 123,901 |  |  |  | 324,224 |  |  |  | 432,836 |  |  |  | 119,717 |  |  |  | 313,119 |
San Francisco |  |  | 331,067 |  |  |  | 80,377 |  |  |  | 250,690 |  |  |  | 321,894 |  |  |  | 81,942 |  |  |  | 239,952 |
Washington D.C. |  |  | 325,480 |  |  |  | 101,620 |  |  |  | 223,860 |  |  |  | 322,310 |  |  |  | 98,046 |  |  |  | 224,264 |
New York |  |  | 343,239 |  |  |  | 135,700 |  |  |  | 207,539 |  |  |  | 341,295 |  |  |  | 128,076 |  |  |  | 213,219 |
Boston |  |  | 171,042 |  |  |  | 47,666 |  |  |  | 123,376 |  |  |  | 167,010 |  |  |  | 45,871 |  |  |  | 121,139 |
Seattle |  |  | 147,311 |  |  |  | 41,762 |  |  |  | 105,549 |  |  |  | 142,564 |  |  |  | 39,686 |  |  |  | 102,878 |
Other Markets |  |  | 1,453 |  |  |  | 506 |  |  |  | 947 |  |  |  | 1,384 |  |  |  | 498 |  |  |  | 886 |
Total same store |  |  | 1,767,717 |  |  |  | 531,532 |  |  |  | 1,236,185 |  |  |  | 1,729,293 |  |  |  | 513,836 |  |  |  | 1,215,457 |
Non-same store/other (2) (3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-same store |  |  | 134,308 |  |  |  | 45,997 |  |  |  | 88,311 |  |  |  | 60,446 |  |  |  | 21,096 |  |  |  | 39,350 |
Other (3) |  |  | 23,103 |  |  |  | 13,742 |  |  |  | 9,361 |  |  |  | 50,431 |  |  |  | 25,031 |  |  |  | 25,400 |
Total non-same store/other |  |  | 157,411 |  |  |  | 59,739 |  |  |  | 97,672 |  |  |  | 110,877 |  |  |  | 46,127 |  |  |  | 64,750 |
Totals |  | $ | 1,925,128 |  |  | $ | 591,271 |  |  | $ | 1,333,857 |  |  | $ | 1,840,170 |  |  | $ | 559,963 |  |  | $ | 1,280,207 |
(1) | For the nine months ended September 30, 2018 and 2017, same store primarily includes all properties acquired or completed that were stabilized prior to January 1, 2017, less properties subsequently sold, which represented 71,721 apartment units.
(2) | For the nine months ended September 30, 2018 and 2017, non-same store primarily includes properties acquired after January 1, 2017, plus any properties in lease-up and not stabilized as of January 1, 2017.
(3) | Other includes development, other corporate operations and operations prior to disposition for properties sold.
|  | Quarter Ended September 30, 2018 |  |  | Quarter Ended September 30, 2017 |
|  | Rental Income |  |  | Operating Expenses |  |  | NOI |  |  | Rental Income |  |  | Operating Expenses |  |  | NOI |
Same store (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Los Angeles |  | $ | 108,050 |  |  | $ | 30,848 |  |  | $ | 77,202 |  |  | $ | 104,190 |  |  | $ | 29,470 |  |  | $ | 74,720 |
Orange County |  |  | 23,182 |  |  |  | 5,615 |  |  |  | 17,567 |  |  |  | 22,427 |  |  |  | 5,491 |  |  |  | 16,936 |
San Diego |  |  | 23,215 |  |  |  | 6,233 |  |  |  | 16,982 |  |  |  | 22,432 |  |  |  | 5,881 |  |  |  | 16,551 |
Subtotal - Southern California |  |  | 154,447 |  |  |  | 42,696 |  |  |  | 111,751 |  |  |  | 149,049 |  |  |  | 40,842 |  |  |  | 108,207 |
San Francisco |  |  | 116,937 |  |  |  | 29,271 |  |  |  | 87,666 |  |  |  | 113,154 |  |  |  | 29,527 |  |  |  | 83,627 |
Washington D.C. |  |  | 109,637 |  |  |  | 34,722 |  |  |  | 74,915 |  |  |  | 108,764 |  |  |  | 33,474 |  |  |  | 75,290 |
New York |  |  | 115,757 |  |  |  | 45,156 |  |  |  | 70,601 |  |  |  | 114,799 |  |  |  | 42,620 |  |  |  | 72,179 |
Boston |  |  | 57,531 |  |  |  | 16,073 |  |  |  | 41,458 |  |  |  | 56,022 |  |  |  | 15,726 |  |  |  | 40,296 |
Seattle |  |  | 50,618 |  |  |  | 14,137 |  |  |  | 36,481 |  |  |  | 49,467 |  |  |  | 13,449 |  |  |  | 36,018 |
Other Markets |  |  | 485 |  |  |  | 165 |  |  |  | 320 |  |  |  | 459 |  |  |  | 158 |  |  |  | 301 |
Total same store |  |  | 605,412 |  |  |  | 182,220 |  |  |  | 423,192 |  |  |  | 591,714 |  |  |  | 175,796 |  |  |  | 415,918 |
Non-same store/other (2) (3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-same store |  |  | 42,702 |  |  |  | 13,605 |  |  |  | 29,097 |  |  |  | 18,252 |  |  |  | 6,870 |  |  |  | 11,382 |
Other (3) |  |  | 4,563 |  |  |  | 2,104 |  |  |  | 2,459 |  |  |  | 13,985 |  |  |  | 6,142 |  |  |  | 7,843 |
Total non-same store/other |  |  | 47,265 |  |  |  | 15,709 |  |  |  | 31,556 |  |  |  | 32,237 |  |  |  | 13,012 |  |  |  | 19,225 |
Totals |  | $ | 652,677 |  |  | $ | 197,929 |  |  | $ | 454,748 |  |  | $ | 623,951 |  |  | $ | 188,808 |  |  | $ | 435,143 |
(1) | For the quarters ended September 30, 2018 and 2017, same store primarily includes all properties acquired or completed that were stabilized prior to July 1, 2017, less properties subsequently sold, which represented 72,561 apartment units.
(2) | For the quarters ended September 30, 2018 and 2017, non-same store primarily includes properties acquired after July 1, 2017, plus any properties in lease-up and not stabilized as of July 1, 2017.
(3) | Other includes development, other corporate operations and operations prior to disposition for properties sold.
|  | Nine Months Ended September 30, 2018 |
|  | Total Assets |  |  | Capital Expenditures |
Same store (1) |  |  |  |  |  |  |  |
Los Angeles |  | $ | 2,631,459 |  |  | $ | 21,438 |
Orange County |  |  | 321,551 |  |  |  | 6,327 |
San Diego |  |  | 410,450 |  |  |  | 3,665 |
Subtotal - Southern California |  |  | 3,363,460 |  |  |  | 31,430 |
San Francisco |  |  | 2,989,059 |  |  |  | 34,617 |
Washington D.C. |  |  | 3,734,007 |  |  |  | 21,722 |
New York |  |  | 4,108,581 |  |  |  | 17,217 |
Boston |  |  | 1,599,983 |  |  |  | 16,477 |
Seattle |  |  | 1,287,733 |  |  |  | 12,085 |
Other Markets |  |  | 12,820 |  |  |  | 135 |
Total same store |  |  | 17,095,643 |  |  |  | 133,683 |
Non-same store/other (2) (3) |  |  |  |  |  |  |  |
Non-same store |  |  | 2,884,686 |  |  |  | 4,171 |
Other (3) |  |  | 561,821 |  |  |  | 265 |
Total non-same store/other |  |  | 3,446,507 |  |  |  | 4,436 |
Totals |  | $ | 20,542,150 |  |  | $ | 138,119 |
(1) | Same store primarily includes all properties acquired or completed that were stabilized prior to January 1, 2017, less properties subsequently sold, which represented 71,721 apartment units.
(2) | Non-same store primarily includes properties acquired after January 1, 2017, plus any properties in lease-up and not stabilized as of January 1, 2017.
(3) | Other includes development, other corporate operations and capital expenditures for properties sold.

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