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Mortgage Notes Payable and Credit Facility - Interest Rate Caps and Swaps (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |
Aggregate cost | $ 1,537 |
Notional amount | 177,060 | $ 166,728
Fair value asset | $ 9 | 250
Minimum | LIBOR |  |
Debt Instrument [Line Items] |  |
Interest rate (as percent) | 1.50% |
Maximum | LIBOR |  |
Debt Instrument [Line Items] |  |
Interest rate (as percent) | 2.75% |
Interest rate swaps | Counterparty |  |
Debt Instrument [Line Items] |  |
Notional amount | $ 68,829 | 45,777
Fair value asset | 0 | 0
Fair value liability | $ (3,055) | $ (1,173)

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