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Leases - Summary of Other Information Related to Operating Leases (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Leases [Abstract]  
Cash paid for amounts included in the measurement of operating lease liabilities $ 24,006
Right-of-use assets obtained in exchange for new operating lease liabilities $ 33,782
Weighted-average remaining lease term - operating leases 59 months
Weighted-average discount rate - operating leases 4.32%