Label	Element	Value
Discontinued Operations, Disposed of by Sale [Member] | Unconsolidated Joint Ventures [Member] | Reatreat at Cinco Ranch - Katy, TX [Member] | Unconsolidated Joint Ventures [Member] | Unconsolidated Joint Venture, Retreat at Cinco Ranch [Member]
Gain (Loss) on Extinguishment of Debt	us-gaap_GainsLossesOnExtinguishmentOfDebt	$ (1,257,000)
Gain (Loss) on Sale of Properties	us-gaap_GainLossOnSaleOfProperties	30,595,000
Discontinued Operations, Disposed of by Sale [Member] | Unconsolidated Joint Ventures [Member] | San Antonio, Texas [Member] | Unconsolidated Joint Ventures [Member] | Unconsolidated Joint Venture, The Verandas At Shavano [Member]
Gain (Loss) on Extinguishment of Debt	us-gaap_GainsLossesOnExtinguishmentOfDebt	0
Gain (Loss) on Sale of Properties	us-gaap_GainLossOnSaleOfProperties	23,652,000
Discontinued Operations, Disposed of by Sale [Member] | Unconsolidated Joint Ventures [Member] | The Vive - Kannapolis, NC [Member] | Unconsolidated Joint Ventures [Member] | Unconsolidated Joint Venture, The Vive [Member]
Gain (Loss) on Extinguishment of Debt	us-gaap_GainsLossesOnExtinguishmentOfDebt	(1,631,000)
Gain (Loss) on Sale of Properties	us-gaap_GainLossOnSaleOfProperties	$ 47,086,000