XML 17 R78.htm IDEA: XBRL DOCUMENT v3.2.0.727
Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]    
Unrealized gain on securities available for sale $ 3,455 $ 4,018
Unamortized gain on securities held to maturity, previously transferred from AFS 1,423 1,658
Unrealized loss on derivative instruments (3,155) (3,337)
Tax effect (603) (818)
Total accumulated other comprehensive income $ 1,120 $ 1,521