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Organization and Basis of Presentation - Accumulated Other Comprehensive Loss - Partnership (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2017 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
Balance at period beginning | $ 6,292,237
Balance at period end | 6,383,894
Essex Portfolio, L.P. [Member] | Accumulated Other Comprehensive Loss, Net [Member] |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
Balance at period beginning | (29,348)
Other comprehensive income before reclassification | 15,940
Amounts reclassified from accumulated other comprehensive loss | (8,219)
Other comprehensive income | 7,721
Balance at period end | (21,627)
Essex Portfolio, L.P. [Member] | Change in Fair Value and Amortization of Swap Settlements [Member] |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
Balance at period beginning | (30,161)
Other comprehensive income before reclassification | 13,974
Amounts reclassified from accumulated other comprehensive loss | (6,569)
Other comprehensive income | 7,405
Balance at period end | (22,756)
Essex Portfolio, L.P. [Member] | Unrealized Gains/(Loss) on Available for Sale Securities [Member] |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
Balance at period beginning | 813
Other comprehensive income before reclassification | 1,966
Amounts reclassified from accumulated other comprehensive loss | (1,650)
Other comprehensive income | 316
Balance at period end | $ 1,129

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- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84158357&loc=d3e1436-108581 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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