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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, 2021 | Dec. 31, 2020
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Assets Held for Sale |  |
Total Assets Held for Sale | $ 0 | $ 8,498
Real Estate Held for Sale |  |
Assets Held for Sale |  |
Total real estate held for sale |  | 8,114
Lease intangibles, net |  | 384
Total Assets Held for Sale |  | $ 8,498

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