|
Fair Value (Details 2) (Recurring basis, USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
|
Total Fair Value
|
||
| Financial Instruments Measured at Fair Value | ||
| DownREIT units | $ (1,017) | $ (980) |
| Indebtedness | (4,077,397) | (3,838,360) |
| Total | (4,137,453) | (3,930,330) |
|
Total Fair Value | Puts
|
||
| Financial Instruments Measured at Fair Value | ||
| Fair value of remaining outstanding Put | (5,574) | (5,648) |
|
Total Fair Value | Interest Rate Caps
|
||
| Financial Instruments Measured at Fair Value | ||
| Derivative assets | 19 | 114 |
|
Total Fair Value | Interest Rate Swaps
|
||
| Financial Instruments Measured at Fair Value | ||
| Derivative liabilities | (53,484) | (85,456) |
|
Quoted Prices in Active Markets for Identical Assets (Level 1)
|
||
| Financial Instruments Measured at Fair Value | ||
| DownREIT units | (1,017) | (980) |
| Indebtedness | (2,102,927) | (1,761,823) |
| Total | (2,103,944) | (1,762,803) |
|
Significant Other Observable Inputs (Level 2)
|
||
| Financial Instruments Measured at Fair Value | ||
| Indebtedness | (1,974,470) | (2,076,537) |
| Total | (2,027,935) | (2,161,879) |
|
Significant Other Observable Inputs (Level 2) | Interest Rate Caps
|
||
| Financial Instruments Measured at Fair Value | ||
| Derivative assets | 19 | 114 |
|
Significant Other Observable Inputs (Level 2) | Interest Rate Swaps
|
||
| Financial Instruments Measured at Fair Value | ||
| Derivative liabilities | (53,484) | (85,456) |
|
Significant Unobservable Inputs (Level 3)
|
||
| Financial Instruments Measured at Fair Value | ||
| Total | (5,574) | (5,648) |
|
Significant Unobservable Inputs (Level 3) | Puts
|
||
| Financial Instruments Measured at Fair Value | ||
| Fair value of remaining outstanding Put | $ (5,574) | $ (5,648) |