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Commitments and Contingencies - Summary of Future Minimum Lease Payments for Capital and Operating Lease (Detail)
$ in Thousands
Dec. 31, 2016
USD ($)
Capital leases  
Present value of payments, 2017 $ 965
Present value of payments, 2018 756
Present value of payments, 2019 148
Present value of payments, 2020 3
Present value of payments, 2021 0
Present value of payments, Thereafter 0
Present value of payments, Total 1,872
Interest, 2017 145
Interest, 2018 80
Interest, 2019 50
Interest, 2020 0
Interest, 2021 0
Interest, Thereafter 0
Interest, Total 275
Capital lease payments, 2017 1,110
Capital lease payments, 2018 836
Capital lease payments, 2019 198
Capital lease payments, 2020 3
Capital lease payments, 2021 0
Capital lease payments, Thereafter 0
Capital Lease Payments, Total 2,147
Operating leases  
Operating leases, 2017 8,699
Operating leases, 2018 6,642
Operating leases, 2019 4,348
Operating leases, 2020 1,953
Operating leases, 2021 784
Operating leases, Thereafter 43
Operating leases, Total 22,469
Total leases, 2017 9,809
Total leases, 2018 7,478
Total leases, 2019 4,546
Total leases, 2020 1,956
Total leases, 2021 784
Total leases, Thereafter 43
Total leases, Total 24,616
Facilities  
Operating leases  
Operating leases, 2017 8,651
Operating leases, 2018 6,642
Operating leases, 2019 4,348
Operating leases, 2020 1,953
Operating leases, 2021 784
Operating leases, Thereafter 43
Operating leases, Total 22,421
Furniture and Equipment  
Operating leases  
Operating leases, 2017 48
Operating leases, 2018 0
Operating leases, 2019 0
Operating leases, 2020 0
Operating leases, 2021 0
Operating leases, Thereafter 0
Operating leases, Total $ 48