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Recent Accounting Pronouncements - Summary of Undiscounted Future Minimum Lease Payments (Detail)
$ in Thousands
Mar. 31, 2019
USD ($)
Accounting Changes And Error Corrections [Abstract]  
2019 $ 1,968
2020 2,287
2021 2,109
2022 2,109
2023 1,593
Thereafter 9,798
Total $ 19,864