Quarterly report pursuant to Section 13 or 15(d)

Operating and Finance Lease Right-of-Use Assets - Components of Lease Expense (Detail)

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Operating and Finance Lease Right-of-Use Assets - Components of Lease Expense (Detail)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Leases [Abstract]  
Amortization of ROU Assets $ 33
Interest on finance lease liabilities 2
Finance lease expense 35
Operating lease expense 3,497
Variable lease expense 252
Short-term lease expense 225
Total lease expense $ 4,009