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Mortgage Notes Payable and Credit Facility - Scheduled Principal Payments of Mortgage Notes Payable (Detail) - Mortgage notes payable - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
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Debt Instrument [Line Items] |  |
Nine Months Ending December 31, 2019 | $ 56,820 |
2020 | 32,238 |
2021 | 37,259 |
2022 | 97,805 |
2023 | 69,721 |
2024 | 19,009 |
Thereafter | 136,807 |
Total | 449,700 |
Premiums and (discounts), net | (300) | $ (301)
Deferred financing costs, net | $ 3,962 | $ 4,063

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