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Leases - Maturity Analysis of Undiscounted Payments for Operating Lease Liabilities and Reconciliation with Carrying Amount of Lease Liability (Detail)
$ in Thousands
Mar. 31, 2019
USD ($)
Undiscounted lease payments  
2021 $ 738
2022 1,587
2023 1,784
2024 1,818
2025 and thereafter 12,297
Total undiscounted payments 18,224
Discount Adjustments (9,199)
Current operating lease liability 1,095
Long-term operating lease liability $ 7,930