Subsequent Events	12 Months Ended
Dec. 31, 2014
Subsequent Events [Abstract]
Subsequent Events	29. Subsequent Events Vintage Housing Holdings – On January 23, 2015 the Trust entered into an agreement to sell its interest in the Vintage Housing Holdings LLC venture for approximately $85,585,000. The buyer’s $7,500,000 deposit under the purchase agreement became non-refundable, subject to customary conditions including obtaining certain third party consents, on February 13, 2015. If consummated, the sale is expected to close in the second quarter of 2015. 44 Monroe – On January 5, 2015 the venture in which Winthrop holds an 83.7% interest entered into an agreement to sell its 44 Monroe apartment building in Phoenix, Arizona for approximately $50,650,000. The buyer’s $1,000,000 deposit under the purchase became non-refundable, subject to customary conditions, on February 27, 2015. If consummated, the sale is expected to close in the second quarter of 2015. In accordance with the terms of the mortgage loan collateralized by the properties in this venture, the entire net proceeds will be used to pay down the mortgage loan.

Subsequent Events

12 Months Ended

Dec. 31, 2014

29. Subsequent Events
Vintage Housing Holdings – On January 23, 2015 the Trust entered into an agreement to sell its interest in the Vintage Housing Holdings LLC venture for approximately $85,585,000. The buyer’s $7,500,000 deposit under the purchase agreement became non-refundable, subject to customary conditions including obtaining certain third party consents, on February 13, 2015. If consummated, the sale is expected to close in the second quarter of 2015.
44 Monroe – On January 5, 2015 the venture in which Winthrop holds an 83.7% interest entered into an agreement to sell its 44 Monroe apartment building in Phoenix, Arizona for approximately $50,650,000. The buyer’s $1,000,000 deposit under the purchase became non-refundable, subject to customary conditions, on February 27, 2015. If consummated, the sale is expected to close in the second quarter of 2015. In accordance with the terms of the mortgage loan collateralized by the properties in this venture, the entire net proceeds will be used to pay down the mortgage loan.