Quarterly report pursuant to Section 13 or 15(d)

Investments and Fair Value Measurements - Additional Information (Detail)

v3.5.0.2
Investments and Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Investments $ 30 $ 32
Maximum    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Maximum financial interest in affiliated investment funds 2.00%