Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Long-Term Borrowings - Long-Term Borrowings (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Long-term borrowings $ 84,595 $ 116,488
Less current installments 15,653 101,407
Total long-term borrowings 68,942 15,081
Notes payable to banks [Member] | Modified loan agreement [Member]    
Debt Instrument [Line Items]    
Long-term borrowings 69,515 77,900
Notes payable to banks [Member] | Master agreement two [Member]    
Debt Instrument [Line Items]    
Long-term borrowings   17,940
Notes payable to banks [Member] | Master agreement three [Member]    
Debt Instrument [Line Items]    
Long-term borrowings 13,886 19,159
Notes payable to TCF Finance [Member] | Equipment agreement [Member]    
Debt Instrument [Line Items]    
Long-term borrowings $ 1,194 $ 1,489