Annual report pursuant to Section 13 and 15(d)

Long-Term Borrowings - Long-Term Borrowings (Parenthetical) (Detail)

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Long-Term Borrowings - Long-Term Borrowings (Parenthetical) (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
Note payable to Luen Thai Enterprise, LTD [Member]  
Debt Instrument [Line Items]  
Balloon payment required under note payable $ 5,800
Due date for note payable 2021-01
Equipment Notes [Member] | Notes payable to TCF Finance [Member]  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable $ 31
Fixed interest rate of note payable 5.24%
Due date for note payable 2019-07
Frequency of periodic payment monthly
Loan Payable to Bank [Member]  
Debt Instrument [Line Items]  
Variable interest rate of note payable 4.28%
Due date for loan payable 2023-09
Joint Venture with HF Logistics [Member] | Construction Loan Agreement [Member] | Modification Loan [Member]  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable $ 364
Variable interest rate of note payable 4.52%
Balloon payment required under note payable $ 62,843
Due date for note payable 2020-08
Frequency of periodic payment monthly