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Debt and Financing Arrangements - Schedule of Principal Maturities of Long-Term Debt (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
2017 $ 11,391  
2018 15,640  
2019 15,640  
2020 70,654  
2021 16,217  
Thereafter 27,949  
Total 157,491  
Total 148,368 $ 73,804
Capital Lease Obligations [Member]    
Debt Instrument [Line Items]    
Less: Amounts Representing Interest on Capital Leases $ 9,123