Quarterly report pursuant to Section 13 or 15(d)

Leases - Schedule of Maturities of Lease Liabilities Under Operating and Finance Leases (Detail)

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Leases - Schedule of Maturities of Lease Liabilities Under Operating and Finance Leases (Detail) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Leases [Abstract]    
Operating leases, Remaining 2019 $ 1,248  
Operating leases, 2020 2,867  
Operating leases, 2021 2,740  
Operating leases, 2022 2,611  
Operating leases, 2023 2,685  
Operating leases, Thereafter 14,477  
Operating leases, Total minimum payments 26,628  
Less: amount representing interest (10,748)  
Present value of lease liabilities 15,880  
Other current liabilities 961  
Operating lease liabilities 14,919 $ 0
Other long-term liabilities 0  
Total 15,880  
Finance leases, Remaining 2019 272  
Finance leases, 2020 236 962
Finance leases, 2021 30 991
Finance leases, 2022 0 1,020
Finance leases, 2023 0 1,051
Finance leases, Thereafter 0 11,458
Finance leases, Total minimum payments 538 $ 16,416
Less: amount representing interest (35)  
Present value of lease liabilities 503  
Other current liabilities 362  
Finance lease liabilities 0  
Other long-term liabilities 141  
Total $ 503