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Leases - Summary of Future Payments of Lease Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Leases [Abstract]    
Leases future payments current $ 2,030 $ 2,490
Leases future payments in year two 1,754 2,170
Leases future payments in year three 1,603 1,694
Leases future payments in year four 1,545 1,331
Leases future payments in year after five years 1,277 1,104
Thereafter 7,312 1,074
Total lease payments 15,521 $ 9,863
Less imputed interest 2,831  
Present value of lease liability $ 12,690