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Leases - Components of Lease Cost and Other Lease (Detail)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Lease cost:    
Operating lease cost $ 3,838 $ 7,607
Short-term lease cost 401 1,215
Variable lease cost 284 595
Total lease cost 4,523 9,417
Other information:    
Cash paid for amounts included in the measurement of operating lease liabilities 4,028 7,889
ROU assets obtained in exchange for new operating lease liabilities $ 3,999 $ 5,016
Weighted-average remaining lease term in years – operating leases 10 years 4 months 24 days 10 years 4 months 24 days
Weighted-average discount rate – operating leases 6.00% 6.00%