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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2018
Segment Reporting [Abstract] |
Reconciliation Of Revenues And Operating Profit Loss From Segments To Consolidated | The revenues and NOI for each of the reportable operating segments are summarized as follows for the years ended December 31, 2018, 2017, and 2016 ($ in thousands):
| Years Ended December 31,
| 2018 |  | 2017 |  | 2016
Revenues: |  |  |  |  |
Southern California | $ | 592,281 |  |  | $ | 574,552 |  |  | $ | 540,000 |
Northern California | 522,561 |  |  | 505,313 |  |  | 453,140 |
Seattle Metro | 236,525 |  |  | 229,871 |  |  | 217,259 |
Other real estate assets | 39,503 |  |  | 44,589 |  |  | 75,324 |
Total property revenues | $ | 1,390,870 |  |  | $ | 1,354,325 |  |  | $ | 1,285,723 |
Net operating income: |  |  |  |  |  |  |  |
Southern California | $ | 421,613 |  |  | $ | 408,070 |  |  | $ | 381,212 |
Northern California | 386,401 |  |  | 371,795 |  |  | 333,757 |
Seattle Metro | 165,397 |  |  | 162,253 |  |  | 154,147 |
Other real estate assets | 32,125 |  |  | 36,821 |  |  | 57,790 |
Total net operating income | 1,005,536 |  |  | 978,939 |  |  | 926,906 |
Management and other fees from affiliates | 9,183 |  |  | 9,574 |  |  | 8,278 |
Corporate-level property management expenses | (31,062 | ) |  | (30,156 | ) |  | (30,110 | )
Depreciation and amortization | (479,884 | ) |  | (468,881 | ) |  | (441,682 | )
General and administrative | (53,451 | ) |  | (41,385 | ) |  | (40,751 | )
Expensed acquisition and investment related costs | (194 | ) |  | (1,569 | ) |  | (1,841 | )
Interest expense | (220,492 | ) |  | (222,894 | ) |  | (219,654 | )
Total return swap income | 8,707 |  |  | 10,098 |  |  | 11,716 |
Interest and other income | 23,010 |  |  | 24,604 |  |  | 27,305 |
Equity income from co-investments | 89,132 |  |  | 86,445 |  |  | 48,698 |
Loss on early retirement of debt | — |  |  | (1,796 | ) |  | (606 | )
Gain on sale of real estate and land | 61,861 |  |  | 26,423 |  |  | 154,561 |
Deferred tax expense on gain on sale of real estate and land | — |  |  | — |  |  | (4,410 | )
Gain on remeasurement of co-investment | 1,253 |  |  | 88,641 |  |  | — |
Net income | $ | 413,599 |  |  | $ | 458,043 |  |  | $ | 438,410 |
Reconciliation of Assets from Segment to Consolidated | Total assets for each of the reportable operating segments are summarized as follows as of December 31, 2018 and 2017 ($ in thousands):
| As of December 31,
| 2018 |  | 2017
Assets: |  |  |
Southern California | $ | 4,350,377 |  |  | $ | 4,504,930 |
Northern California | 4,270,238 |  |  | 4,220,551 |
Seattle Metro | 1,472,916 |  |  | 1,522,452 |
Other real estate assets | 63,022 |  |  | 344,843 |
Net reportable operating segments - real estate assets | 10,156,553 |  |  | 10,592,776 |
Real estate under development | 454,629 |  |  | 355,735 |
Co-investments | 1,300,140 |  |  | 1,155,984 |
Cash and cash equivalents, including restricted cash | 151,395 |  |  | 61,126 |
Marketable securities | 209,545 |  |  | 190,004 |
Notes and other receivables | 71,895 |  |  | 100,926 |
Prepaid expenses and other assets | 39,439 |  |  | 39,155 |
Total assets | $ | 12,383,596 |  |  | $ | 12,495,706 |

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- Definition Tabular disclosure of all significant reconciling items in the reconciliation of revenues and total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, and discontinued operations. + References No definition available. + Details
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- Definition Tabular disclosure of all significant reconciling items in the reconciliation of total assets from reportable segments to the entity's consolidated assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8924-108599 + Details
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