Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable, Net of Allowance for Doubtful Accounts - Additional Information (Detail)

v3.7.0.1
Accounts Receivable, Net of Allowance for Doubtful Accounts - Additional Information (Detail) - Other selling, general and administrative - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Write-offs and other adjustments   $ 200,000
Maximum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Write-offs and other adjustments $ 100,000