Schedule III - Real Estate and Accumulated Depreciation - Change in Balance of Real Estate (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward] | |||
| Balance at beginning of period | $ 906,850,000 | $ 833,203,000 | |
| Additions: | |||
| Acquisitions during period | 53,432,000 | 100,103,000 | $ 52,719,000 |
| Improvements | 4,824,000 | 10,473,000 | 10,362,000 |
| Deductions: | |||
| Dispositions during period | (15,284,000) | (30,094,000) | (10,138,000) |
| Impairments during period | 0 | (6,835,000) | (2,016,000) |
| Balance at end of period | $ 949,822,000 | $ 906,850,000 | $ 833,203,000 |
| X | ||||||||||
- Definition Additions. No definition available.
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| X | ||||||||||
- Definition Deductions. No definition available.
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| X | ||||||||||
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase in real estate investments related to improvements for entities with a substantial portion of business acquiring and holding investment real estate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase in real estate investments from acquisitions other than through foreclosure for entities with a substantial portion of business acquiring and holding investment real estate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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