Annual report pursuant to Section 13 and 15(d)

Detail of Certain Balance Sheet Accounts - Current and Long-Term Allowance for Doubtful Accounts (Detail)

v3.3.1.900
Detail of Certain Balance Sheet Accounts - Current and Long-Term Allowance for Doubtful Accounts (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Balance Sheet Related Disclosures [Abstract]    
Balance at beginning of year $ 6,174 $ 5,215
Charged to bad debt expense and provision for long-term contract receivable 224 103,871
Deductions for uncollectible receivables written off, net of recoveries (1,172) (102,912)
Balance at end of year $ 5,226 $ 6,174