Quarterly report pursuant to Section 13 or 15(d)

Goodwill - Summary of Changes to Carrying Amount of Goodwill (Detail)

v3.2.0.727
Goodwill - Summary of Changes to Carrying Amount of Goodwill (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Jun. 30, 2015
Goodwill [Line Items]      
Beginning, Gross balance $ 37,423 $ 37,446  
Beginning, Accumulated impairment losses (17,415) (17,415)  
Beginning, Net balance 20,008 20,031  
Purchase price adjustments from earnouts   (23)  
Ending, Gross balance 42,101 37,423  
Ending, Accumulated impairment losses (17,415) (17,415)  
Ending, Net balance 20,008 $ 20,031 $ 24,686
Jamison      
Goodwill [Line Items]      
Goodwill, Acquisition $ 4,678    
Ending, Net balance     $ 4,678