Revolving Term Credit Facilities and Debt - Additional Information , Term Loan B with White Oak (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 23, 2016
Line of Credit Facility [Line Items]    
Term loan facility $ 133,916  
Term loan facility, Gross 137,055  
Debt issuance cost 1,561  
ASV Loan Facilities [Member] | Term Loan B [Member]    
Line of Credit Facility [Line Items]    
Term loan facility   $ 21,500
ASV Loan Facilities [Member] | White Oak Global Advisors, LLC [Member] | Term Loan B [Member]    
Line of Credit Facility [Line Items]    
Term loan facility 20,852 $ 21,500
Term loan facility, Gross 21,500  
Debt issuance cost $ 648  
Line of credit facility interest rate description The interest rate is fixed at a LIBOR rate plus 10% until delivery of the same reporting documents referenced above. After delivery of the reporting documents, ASV will pay interest at the LIBOR rate plus a spread of either 9% or 10% depending on the leverage ratio, provided that at no time will the LIBOR rate be less than 1%.  
Debt instrument interest rate 11.00%  
Principal payment of loan $ 538  
Debt Instrument, Frequency of periodic payment quarterly  
Payment commencing date Mar. 31, 2017  
Debenture, maturity date Dec. 23, 2021  
Frequency of interest payments monthly  
ASV Loan Facilities [Member] | White Oak Global Advisors, LLC [Member] | Term Loan B [Member] | LIBOR [Member]    
Line of Credit Facility [Line Items]    
Interest rate spread for base rate 10.00%  
ASV Loan Facilities [Member] | White Oak Global Advisors, LLC [Member] | Term Loan B [Member] | LIBOR [Member] | Minimum [Member]    
Line of Credit Facility [Line Items]    
Interest rate spread for base rate 9.00%  
Debt instrument interest rate 1.00%  
ASV Loan Facilities [Member] | White Oak Global Advisors, LLC [Member] | Term Loan B [Member] | LIBOR [Member] | Maximum [Member]    
Line of Credit Facility [Line Items]    
Interest rate spread for base rate 10.00%