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Fair Value (Details 3) $ in Thousands | Dec. 31, 2016 USD ($) derivative | Dec. 31, 2015 USD ($)
--- | --- | ---
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Financial Instruments Measured/Discussed at Fair Value |  |
DownREIT units | $ (1,329) | $ (1,381)
Total | (4,219,956) | (3,669,798)
Recurring basis | Significant Other Observable Inputs (Level 2) |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Total | (2,729,606) | (2,694,888)
Recurring basis | Significant Unobservable Inputs (Level 3) |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Total | (6,002) | (8,181)
Recurring basis | Significant Unobservable Inputs (Level 3) | Puts |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Fair value of remaining outstanding Puts | $ (6,002) | (8,181)
Cash Flow Hedges Interest Rate Caps |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Derivative, Number of Instruments Held | derivative | 11 |
Cash Flow Hedges Interest Rate Caps | Recurring basis | Significant Other Observable Inputs (Level 2) | Interest Rate Caps |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Derivative assets | $ 2 | 5
Total Fair Value | Recurring basis |  |
Financial Instruments Measured/Discussed at Fair Value |  |
DownREIT units | (1,329) | (1,381)
Total | (6,955,564) | (6,372,867)
Total Fair Value | Recurring basis | Puts |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Fair value of remaining outstanding Puts | (6,002) | (8,181)
Total Fair Value | Cash Flow Hedges Interest Rate Caps | Recurring basis | Interest Rate Caps |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Derivative assets | 2 | 5
Total Fair Value | Cash Flow Hedges Interest Rate Caps | Recurring basis | Interest Rate Swap [Member] |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Derivative assets | $ 14,775 | 5,422
Non-designated Hedges Interest Rate Caps |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Derivative, Number of Instruments Held | derivative | 15 |
Non-designated Hedges Interest Rate Caps | Recurring basis | Significant Other Observable Inputs (Level 2) | Interest Rate Caps |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Derivative assets | $ 79 | 26
Non-designated Hedges Interest Rate Caps | Total Fair Value | Recurring basis | Interest Rate Caps |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Derivative assets | 79 | 26
Secured Debt and Variable Rate Unsecured Term Loan [Member] | Recurring basis | Significant Other Observable Inputs (Level 2) |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Indebtedness | (2,744,462) | (2,700,341)
Secured Debt and Variable Rate Unsecured Term Loan [Member] | Total Fair Value | Recurring basis |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Indebtedness | (2,744,462) | (2,700,341)
Unsecured notes | Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Indebtedness | (4,218,627) | (3,668,417)
Unsecured notes | Total Fair Value | Recurring basis |  |
Financial Instruments Measured/Discussed at Fair Value |  |
Indebtedness | $ (4,218,627) | $ (3,668,417)

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- Definition Units of limited partnership interest in DownREITs which provide the DownREITs limited partners the ability to present all or some of their units for redemption for cash in the amount equal to the fair value of the company's common stock on or about the date of redemption. In lieu of cash redemption, the company may elect to exchange such units for an equal number of shares in the company's common stock. + References No definition available. + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 + Details
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- Definition The aggregate fair value as of the reporting date of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 14 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 15 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (16)(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (12)(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 + Details
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