Business Combinations and Sale of Joint Venture Equity Interests (Details) (USD $)	Dec. 31, 2012
Land	$ 27,670,000
Building and improvements	116,383,644
Furniture, fixtures and equipment	2,406,683
In-place lease value	2,871,988
Deferred financing costs	691,314
Cash and cash equivalents	651,021
Restricted cash	2,193,724
Accounts receivables, prepaids and other	704,420
Total assets	153,572,794
Mortgage/construction payable	96,584,355
Accounts payable	46,261
Other accrued liabilities	1,545,418
Due to affiliates	1,582
Noncontrolling interest	29,112,178
Net Assets	26,283,000
Spring House At Newport News [Member]
Land	6,500,000
Building and improvements	27,481,311
Furniture, fixtures and equipment	1,010,818
In-place lease value	818,879
Deferred financing costs	0
Cash and cash equivalents	40,803
Restricted cash	272,999
Accounts receivables, prepaids and other	63,634
Total assets	36,188,444
Mortgage/construction payable	26,482,194
Accounts payable	1,667
Other accrued liabilities	249,595
Due to affiliates	495
Noncontrolling interest	5,816,058
Net Assets	3,638,435
Reserve At Creekside Village [Member]
Land	1,920,000
Building and improvements	17,919,495
Furniture, fixtures and equipment	416,796
In-place lease value	452,467
Deferred financing costs	0
Cash and cash equivalents	334,946
Restricted cash	373,004
Accounts receivables, prepaids and other	36,868
Total assets	21,453,576
Mortgage/construction payable	15,002,061
Accounts payable	44,594
Other accrued liabilities	228,211
Due to affiliates	1,087
Noncontrolling interest	4,628,334
Net Assets	1,549,289
Enders Place At Baldwin Park [Member]
Land	4,750,000
Building and improvements	19,156,045
Furniture, fixtures and equipment	523,710
In-place lease value	670,245
Deferred financing costs	363,772
Cash and cash equivalents	24,261
Restricted cash	646,610
Accounts receivables, prepaids and other	390,438
Total assets	26,525,081
Mortgage/construction payable	17,500,000
Accounts payable	0
Other accrued liabilities	516,207
Due to affiliates	0
Noncontrolling interest	4,745,697
Net Assets	3,763,177
Twenty Three Hundred At Berry Hill [Member]
Land	5,000,000
Building and improvements	1,012,549
Furniture, fixtures and equipment	0
In-place lease value	0
Deferred financing costs	212,325
Cash and cash equivalents	0
Restricted cash	5,000
Accounts receivables, prepaids and other	2,500
Total assets	6,232,374
Mortgage/construction payable	100
Accounts payable	0
Other accrued liabilities	0
Due to affiliates	0
Noncontrolling interest	2,750,856
Net Assets	3,481,418
Mda Apartments [Member]
Land	9,500,000
Building and improvements	50,814,244
Furniture, fixtures and equipment	455,359
In-place lease value	930,397
Deferred financing costs	115,217
Cash and cash equivalents	251,011
Restricted cash	896,111
Accounts receivables, prepaids and other	210,980
Total assets	63,173,319
Mortgage/construction payable	37,600,000
Accounts payable	0
Other accrued liabilities	551,405
Due to affiliates	0
Noncontrolling interest	11,171,233
Net Assets	$ 13,850,681