Annual report pursuant to Section 13 and 15(d)

Short and Long-term Borrowings - Long-Term Borrowings (Detail)

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Short and Long-term Borrowings - Long-Term Borrowings (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Long-term borrowings $ 115,417 $ 89,785
Less: current installments 66,234 1,666
Total long-term borrowings 49,183 88,119
Loan Payable to a Bank, Variable-rate Interest at 4.275% Per Annum, Due September 2023    
Debt Instrument [Line Items]    
Long-term borrowings 48,791 18,626
Loan Payable to a Bank, Variable-rate Interest at 3.915% Per Annum, Due October 2020    
Debt Instrument [Line Items]    
Long-term borrowings 2,541  
Modification Loan [Member]    
Debt Instrument [Line Items]    
Long-term borrowings 63,700  
Modification Loan [Member] | Construction Loan Agreement [Member] | Joint Venture with HF Logistics [Member]    
Debt Instrument [Line Items]    
Long-term borrowings 63,692 65,148
Note payable to Luen Thai Enterprise, LTD [Member]    
Debt Instrument [Line Items]    
Long-term borrowings $ 393 5,800
Notes payable to TCF Finance [Member] | Equipment Notes [Member]    
Debt Instrument [Line Items]    
Long-term borrowings   $ 210