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REAL ESTATE AND RELATED LEASE INTANGIBLES, NET - Schedule of Real Estate Portfolio (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Real estate and related lease intangibles, net |  |  |  |
Less: Accumulated depreciation and amortization |  | $ (184,347) |  | $ (173,938)
Impairment of real estate |  | (1,350) | $ 0 | 0
Real estate and related lease intangibles, net | [1] | 1,005,997 |  | 998,022
Below market lease intangibles, net (other liabilities) |  | (39,922) |  | (40,367)
In-place leases and other intangibles |  |  |  |
Real estate and related lease intangibles, net |  |  |  |
Real estate |  | 162,413 |  | 162,002
Land |  |  |  |
Real estate and related lease intangibles, net |  |  |  |
Real estate |  | 198,926 |  | 195,644
Building |  |  |  |
Real estate and related lease intangibles, net |  |  |  |
Real estate |  | $ 830,355 |  | $ 814,314
[1] | Includes amounts relating to consolidated variable interest entities. See Note 3.

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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + 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 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
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- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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