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Future Operating Lease Payment Obligations and Future Minimum Lease Payments under Capital Leases (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
Capital lease
2019	$ 1,372
2020	1,138
2021	969
2022	689
2023	390
2024 - 2028	120
Total Payments	4,678
Operating leases
2019	3,069
2020	2,535
2021	93
2022	32
2023	14
2024 - 2028	0
Total Payments	$ 5,743

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