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Long-Term Debt and Other Financing Arrangements - Summary of Long-Term Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Debt Disclosure [Abstract]    
Notes payable $ 25,127 $ 24,930
Total 25,127 24,930
Less current portion 0 0
Long-term portion $ 25,127 $ 24,930