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OPERATING SEGMENTS (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | $ 30,834 | $ 24,241 | $ 60,039 | $ 47,397
Property operating expenses | (15,191) | (11,301) | (30,407) | (22,969)
Interest income | 4,788 | 4,535 | 10,079 | 9,772
Gain (loss) on sale of income producing properties | 5,168 |  | 4,925 |
Gain on land sales | 1,719 | 3,027 | 3,370 | 5,903
Segment operating income (loss) | 4,622 | 3,853 | 7,946 | 5,853
Real estate assets | 901,404 |  | 901,404 |
Commercial Properties [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | 8,947 | 6,974 | 16,838 | 14,065
Property operating expenses | (4,836) | (3,341) | (9,931) | (7,608)
Depreciation | (2,270) | (2,230) | (4,584) | (4,157)
Mortgage and loan interest | (1,696) | (1,693) | (3,671) | (3,259)
Gain (loss) on sale of income producing properties | 6 |  | 6 |
Segment operating income (loss) | 151 | (290) | (1,342) | (959)
Capital expenditures | 680 | 2,943 | 2,080 | 6,135
Real estate assets | 151,759 | 162,333 | 151,759 | 162,333
Property Sales |  |  |  |
Sales price |  |  | 1,500 |
Cost of sale |  |  | (1,743) |
Gain (loss) on sale |  |  | (243) |
Apartments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | 21,856 | 17,258 | 43,170 | 33,277
Property operating expenses | (10,168) | (7,829) | (19,562) | (14,871)
Depreciation | (3,616) | (2,926) | (7,151) | (5,721)
Mortgage and loan interest | (6,109) | (3,376) | (12,265) | (9,559)
Gain (loss) on sale of income producing properties | 5,162 |  | 4,919 |
Segment operating income (loss) | 7,125 | 3,127 | 9,111 | 3,126
Capital expenditures | (146) | 224 | (146) | 481
Real estate assets | 603,829 | 473,908 | 603,829 | 473,908
Property Sales |  |  |  |
Sales price | 8,100 |  | 8,100 |
Cost of sale | (2,932) |  | (2,932) |
Gain (loss) on sale | 5,168 |  | 5,168 |
Land [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | 30 |  | 30 |
Property operating expenses | (169) | (165) | (916) | (514)
Mortgage and loan interest | (841) | (1,304) | (1,153) | (2,421)
Gain on land sales | 1,719 | 3,027 | 3,370 | 5,903
Segment operating income (loss) | 739 | 1,558 | 1,331 | 2,968
Capital expenditures | 727 | 485 | 1,498 | 1,311
Real estate assets | 145,816 | 165,673 | 145,816 | 165,673
Property Sales |  |  |  |
Sales price | 3,154 | 1,878 | 7,334 | 9,135
Cost of sale | (1,435) | (628) | (3,964) | (5,009)
Recognized prior deferred gain |  | 1,777 |  | 1,777
Gain (loss) on sale | 1,719 | 3,027 | 3,370 | 5,903
Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | 1 | 9 | 1 | 55
Property operating expenses | (18) | 34 | 2 | 24
Depreciation | 18 | 19 | 37 | 37
Mortgage and loan interest | (5,329) | (3,421) | (11,100) | (6,200)
Interest income | 4,788 | 4,535 | 10,079 | 9,772
Segment operating income (loss) | (540) | 1,176 | (981) | 3,688
Total Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | 30,834 | 24,241 | 60,039 | 47,397
Property operating expenses | (15,191) | (11,301) | (30,407) | (22,969)
Depreciation | (5,868) | (5,137) | (11,698) | (9,841)
Mortgage and loan interest | (13,975) | (9,794) | (28,189) | (21,439)
Interest income | 4,788 | 4,535 | 10,079 | 9,772
Gain (loss) on sale of income producing properties | 5,168 |  | 4,925 |
Gain on land sales | 1,719 | 3,027 | 3,370 | 5,903
Segment operating income (loss) | 7,475 | 5,571 | 8,119 | 8,823
Capital expenditures | 1,261 | 3,652 | 3,432 | 7,927
Real estate assets | 901,404 | 801,914 | 901,404 | 801,914
Property Sales |  |  |  |
Sales price | 11,254 | 1,878 | 16,934 | 9,135
Cost of sale | (4,367) | (628) | (8,639) | (5,009)
Recognized prior deferred gain |  | 1,777 |  | 1,777
Gain (loss) on sale | $ 6,887 | $ 3,027 | $ 8,295 | $ 5,903

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