Quarterly report pursuant to Section 13 or 15(d)

Real Estate Transactions (Schedule Of Purchase Price Allocation) (Details)

v2.4.0.8
Real Estate Transactions (Schedule Of Purchase Price Allocation) (Details) (USD $)
 6 Months Ended
Jun. 30, 2013
Business Acquisition [Line Items]  
Land $ 21,097,000
Buildings and improvements 122,080,000
Furniture, fixtures and equipment 2,275,000
In-place lease values 4,079,000
Total assets acquired 149,531,000
Less: Below market lease values 331,000
Total liabilities assumed 331,000
Net cash paid at acquisition 149,200,000
Alterra At Overlook Ridge IA [Member]
  
Business Acquisition [Line Items]  
Land 9,042,000
Buildings and improvements 50,671,000
Furniture, fixtures and equipment 801,000
In-place lease values 931,000 [1]
Total assets acquired 61,445,000
Less: Below market lease values 195,000 [1]
Total liabilities assumed 195,000
Net cash paid at acquisition 61,250,000
Alterra At Overlook Ridge IB [Member]
  
Business Acquisition [Line Items]  
Land 12,055,000
Buildings and improvements 71,409,000
Furniture, fixtures and equipment 1,474,000
In-place lease values 3,148,000 [1]
Total assets acquired 88,086,000
Less: Below market lease values 136,000 [1]
Total liabilities assumed 136,000
Net cash paid at acquisition $ 87,950,000
Maximum [Member]
  
Business Acquisition [Line Items]  
In-place and below market lease value amortization period 1 year
[1] In-place lease values and below market lease values will be amortized over one year or less.