Quarterly report pursuant to Section 13 or 15(d)

Leases - Components of Lease Expense (Detail)

v3.19.2
Leases - Components of Lease Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Leases [Abstract]    
Operating lease expense $ 595 $ 998
Variable lease expense 127 232
Total operating lease cost, net 722 1,230
Sublease rental income (44) (83)
Amortization of right-of-use asset 2 4
Interest on lease liabilities 1 2
Total finance lease cost $ 3 $ 6