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Real Estate Dispositions, Held for Sale and Impairment Charges - Components of Assets and Liabilities Held for Sale (Detail) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
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ASSETS HELD FOR SALE |  |
Total Assets Held for Sale | $ 0 | $ 4,151
Real Estate Held for Sale |  |
ASSETS HELD FOR SALE |  |
Real estate, at cost |  | 3,173
Less: accumulated depreciation |  | 218
Total real estate held for sale, net |  | 2,955
Lease intangibles, net |  | 1,105
Deferred rent receivable, net |  | 91
Total Assets Held for Sale |  | $ 4,151

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