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Leases - Schedule Includes Other Information About Leases (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Leases [Abstract]    
Operating cash flows from operating leases $ 271 $ 254
Operating cash flows from finance leases 1 3
Financing cash flows from finance leases $ 21 $ 18
Weighted Average Remaining Lease Term [Abstract]    
Operating leases 3 years 10 months 24 days  
Finance leases 1 year 7 months 6 days  
Weighted Average Discount Rate [Abstract]    
Operating leases 5.87%  
Finance leases 6.25%