XML 74 R63.htm IDEA: XBRL DOCUMENT v3.20.2
Leases - Additional Details of Operating Lease Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Leases [Abstract]        
Operating lease expense $ 253 $ 260 $ 516 $ 521
Cash paid for operating leases $ 296 $ 320 $ 623 $ 692