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OPERATING SEGMENTS (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | $ 31,607 | $ 31,587 | $ 62,690 | $ 63,409
Property operating expenses | (15,550) | (15,429) | (29,974) | (31,693)
Interest income | 4,882 | 5,059 | 9,991 | 9,852
Gain (loss) on land sales |  | (476) | 1,335 | (31)
Segment operating (loss) income | 3,617 | 4,828 | 8,535 | 9,306
Real estate assets | 1,010,244 | 930,647 | 1,010,244 | 930,647
Commercial Properties [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | 7,404 | 8,553 | 14,959 | 17,711
Property operating expenses | (4,238) | (4,900) | (7,986) | (9,839)
Depreciation | (2,323) | (2,397) | (4,616) | (4,699)
Mortgage and loan interest | (1,893) | (2,121) | (3,742) | (3,727)
Segment operating (loss) income | (1,050) | (865) | (1,385) | (554)
Capital expenditures | 2,092 | 557 | 2,725 | 1,932
Real estate assets | 135,288 | 148,718 | 135,288 | 148,718
Property Sales |  |  |  |
Sales price | 2,313 |  | 2,313 |
Cost of sale | (2,313) |  | (2,313) |
Apartments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | 24,201 | 23,030 | 47,726 | 45,691
Property operating expenses | (11,199) | (10,211) | (21,782) | (20,956)
Depreciation | (4,195) | (4,030) | (8,344) | (8,076)
Mortgage and loan interest | (5,342) | (5,028) | (10,798) | (11,787)
Segment operating (loss) income | 3,465 | 3,761 | 6,802 | 4,872
Capital expenditures |  |  |  | 585
Real estate assets | 762,410 | 654,119 | 762,410 | 654,119
Property Sales |  |  |  |
Sales price |  |  | 8,512 |
Cost of sale |  |  | (8,512) |
Land [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues |  |  | 1 |
Property operating expenses | (135) | (168) | (134) | (447)
Mortgage and loan interest | 65 | (389) | (130) | (1,083)
Gain (loss) on land sales |  | (476) | 1,335 | (31)
Segment operating (loss) income | (70) | (1,033) | 1,072 | (1,561)
Capital expenditures |  | 186 |  |
Real estate assets | 111,899 | 127,810 | 111,899 | 127,810
Property Sales |  |  |  |
Sales price |  | 507 | 7,239 | 1,596
Cost of sale |  | (983) | (5,904) | (1,627)
Gain (loss) on sale |  | (476) | 1,335 | (31)
Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | 2 | 4 | 4 | 7
Property operating expenses | 22 | (150) | (72) | (451)
Depreciation | 14 | 18 | 65 | 36
Mortgage and loan interest | (8,737) | (9,809) | (16,961) | (17,546)
Interest income | 4,882 | 5,059 | 9,991 | 9,852
Segment operating (loss) income | (3,817) | (4,878) | (6,973) | (8,102)
Real estate assets | 647 |  | 647 |
Total Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Rental and other property revenues | 31,607 | 31,587 | 62,690 | 63,409
Property operating expenses | (15,550) | (15,429) | (29,974) | (31,693)
Depreciation | (6,504) | (6,409) | (12,895) | (12,739)
Mortgage and loan interest | (15,907) | (17,347) | (31,631) | (34,143)
Interest income | 4,882 | 5,059 | 9,991 | 9,852
Gain (loss) on land sales |  | (476) | 1,335 | (31)
Segment operating (loss) income | (1,472) | (3,015) | (484) | (5,345)
Capital expenditures | 2,092 | 743 | 2,725 | 2,517
Real estate assets | 1,010,244 | 930,647 | 1,010,244 | 930,647
Property Sales |  |  |  |
Sales price | 2,313 | 507 | 18,064 | 1,596
Cost of sale | $ (2,313) | (983) | (16,729) | (1,627)
Gain (loss) on sale |  | $ (476) | $ 1,335 | $ (31)

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