Quarterly report pursuant to Section 13 or 15(d)

Investments and Fair Value Measurements - Additional Information (Detail)

v2.4.0.8
Investments and Fair Value Measurements - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Fair Value Disclosures [Abstract]    
Investments $ 100 $ 103
Maximum financial interest in affiliated investment funds 2.00%