Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Summary of Total Accounts and Notes Receivable (Detail)

v3.6.0.2
Summary of Significant Accounting Policies - Summary of Total Accounts and Notes Receivable (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Accounting Policies [Abstract]    
Trade $ 121,490 $ 183,299
Notes receivable 0 500
Allowance for doubtful accounts (8,259) (8,694)
Total accounts and notes receivable, net of allowance for bad debt $ 113,231 $ 175,105