INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Details 4) (USD $)	Mar. 31, 2014
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
Total	$ 195,073,000
Weighted average interest rate (as a percent)	5.38%
Effective interest rate (as a percent)	5.46%
Hamilton Essex 81
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
03/31/2015	129,898
03/31/2016	142,413
03/31/2017	7,930,059
Total	8,202,370
Hamilton Essex 81 Development
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
03/31/2015	53,316
03/31/2016	1,974,501
Total	2,027,817
345 Franklin
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
03/31/2017	131,657
03/31/2018	185,410
03/31/2019	192,714
Thereafter	9,490,220
Total	10,000,000
Hamilton 1025
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
03/31/2015	69,646
03/31/2016	73,013
03/31/2017	4,714,301
Total	4,856,961
Hamilton Bay Apartments
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
03/31/2015	74,111
03/31/2016	74,975
03/31/2017	4,473,756
Total	4,622,842
Hamilton Minuteman
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
03/31/2015	76,279
03/31/2016	79,962
03/31/2017	5,192,035
Total	5,348,277
Hamilton on Main
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
03/31/2015	15,263,225
Total	15,263,225
Dexter Park
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
03/31/2015	1,361,291
03/31/2016	1,439,081
03/31/2017	1,521,316
03/31/2018	1,608,251
03/31/2019	1,700,153
Thereafter	79,549,116
Total	87,179,208
Total
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES
03/31/2015	17,027,766
03/31/2016	3,783,946
03/31/2017	23,963,125
03/31/2018	1,793,661
03/31/2019	1,892,867
Thereafter	89,039,336
Total	$ 137,500,700