Commitments and Contingencies - Future Lease Payments Due Under Operating Leases (Detail) - USD ($) $ in Thousands |
Mar. 31, 2019 |
Dec. 31, 2018 |
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| Operating Lease Liabilities, Payments Due [Abstract] | ||
| Nine Months Ending December 31, 2019 | $ 349 | |
| 2020 | 466 | |
| 2021 | 477 | |
| 2022 | 489 | |
| 2023 | 492 | |
| 2024 | 493 | |
| Thereafter | 7,799 | |
| Total anticipated lease payments | 10,565 | |
| Less: amount representing interest | (4,617) | |
| Operating lease liabilities | $ 5,948 | $ 0 |
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- Definition Lessee, Operating Lease, Liability, Payments, Due Year Six No definition available.
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- Definition Lessee, Operating Lease, Liability, Payments, Due after Year Six No definition available.
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- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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