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Indebtedness - Additional Information (Detail) - USD ($) $ in Thousands | Jul. 09, 2020 | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate |  | 2.70% |  | 3.50% |
Mortgages |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate |  | 3.90% |  | 3.90% |
Unsecured Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate |  | 1.60% | [1] | 3.20% | [2]
Unsecured Credit Facility | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Mortgage loan related to property disposition | $ 32,117 |  |  |  |
[1] | The unsecured credit facility total capacity is $350,000, of which $212,802 was outstanding as of June 30, 2020.
[2] | The unsecured credit facility total capacity was $350,000, of which $186,302 was outstanding as of December 31, 2019.

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