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REAL ESTATE SOLD AND HELD FOR SALE DISCONTINUED OPERATIONS (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 USD ($) ft² | Mar. 31, 2018 USD ($) a | Dec. 31, 2018 USD ($) ft² Integer
Long Lived Assets Held-for-sale [Line Items] |  |  |
Document Period End Date | Mar. 31, 2019 |  |
Gains (Losses) on Sales of Investment Real Estate | $ 2,325,000 | $ 10,222,000 |
Number of real estate properties transferred to held for sale and sold | Integer |  |  | 3
2019 Operating Property Sales [Member] [Domain] |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |
Square Footage of Real Estate Property | ft² | 51,000 |  |
Gain (Loss) on Sale of Properties | $ 2,300,000 |  |
Proceeds from Sale of Property, Plant, and Equipment | $ 3,800,000 |  |
2018 Operating Property Sales [Member] |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |
Square Footage of Real Estate Property | ft² |  |  | 339,000
Gain (Loss) on Sale of Properties |  |  | $ 14,300,000
Proceeds from Sale of Property, Plant, and Equipment |  |  | $ 22,900,000
Land [Member] |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |
SIze (in acres) of land sold | a |  | 11 |
Proceeds from Sale of Property, Plant, and Equipment |  | $ 2,600,000 |
Gain on sales of land |  | $ 86,000 |

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
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- Definition Gain on sales of land + References No definition available. + Details
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- Definition The number of real estate properties that were transferred to held for sale and sold during the period. + References No definition available. + Details
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- Definition SIze (in acres) of land sold + References No definition available. + Details
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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 + Details
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- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(9)(a)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(7)(c)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(14)(d)) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(a)) -URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263 + Details
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