XML 77 R51.htm IDEA: XBRL DOCUMENT v3.2.0.727
Intangible Assets - Additional Information (Detail)
$ in Thousands
6 Months Ended
Jun. 30, 2015
USD ($)
Goodwill [Line Items]  
Impairment loss $ 368
Community Banks [Member]  
Goodwill [Line Items]  
Impairment loss $ 368