Quarterly report pursuant to Section 13 or 15(d)

Restatement of Previously Issued Consolidated Financial Statements - Schedule of Unaudited Quarterly Impact on Company's Financial Statements (Detail)

v3.6.0.2
Restatement of Previously Issued Consolidated Financial Statements - Schedule of Unaudited Quarterly Impact on Company's Financial Statements (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Accounting Changes and Error Corrections [Abstract]        
Unaudited quarterly impact $ 943 $ 234 $ 1,693 $ 407