Real estate transactions (Details)	Verandas at City View	Sheffield	Laguna Vista	Southwood Land
Balance of real estate at Dec. 31, 2012	0
No of units;	314	206	14.52
sale price of land;	25.3	2.3		0.6
New mortgage in millions;				0.6
Existing mortgage in millions;	18.2
Gain on sale of land parcel;	6.2
Acres of land available		13.90
Balance of real estate. at Mar. 31, 2013	0