Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Goodwill - Summary of Changes to Carrying Amount of Goodwill (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
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 42,097 37,423
Ending, Accumulated impairment losses (17,415) (17,415)
Ending, Net balance 24,682 $ 20,008
Jamison    
Goodwill [Line Items]    
Goodwill, Acquisition 4,674  
Ending, Net balance $ 4,674