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Commitments to Acquire/Dispose of Real Estate Commitments To Acquire/Dispose of Real Estate (Tables) | 12 Months Ended
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Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract] |
Real Estate To Be Acquired Table Text Block [Table Text Block] | The Company has entered into separate agreements to acquire the following (purchase price in thousands):
| Properties |  | Apartment Units |  | Purchase Price
Rental Properties | 1 |  |  | 202 |  |  | $ | 131,250 |
Land Parcels (four) | — |  |  | — |  |  | 31,100 |
Total | 1 |  |  | 202 |  |  | $ | 162,350 |
Real Estate To Be Disposed Table Text Block | In addition to the properties that were subsequently disposed of as discussed in Note 18, the Company has entered into separate agreements to dispose of the following (sales price in thousands):
| Properties |  | Apartment Units |  | Sales Price
Rental Properties (1) | 1 |  |  | 150 |  |  | $ | 169,800 |
Total | 1 |  |  | 150 |  |  | $ | 169,800 |
(1) Includes a 193,230 square foot office building under contract to be sold for approximately $123.3 million which is adjacent to our Longfellow Place property located in Boston and acquired in 1999.

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- Definition Breakdown of rental properties, land parcels and associated units to be acquired subsequent to the balance sheet date per separate agreements entered into prior to the balance sheet date. + References No definition available. + Details
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- Definition Breakdown of rental properties, units and land parcels to be disposed of subsequent to the balance sheet date per separate agreements entered into prior to the balance sheet date. + References No definition available. + Details
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- Details
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