XML 97 R87.htm IDEA: XBRL DOCUMENT v3.10.0.1
Other Comprehensive Income (Loss) - Other Comprehensive Income (Loss) Components and Related Tax Effects (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance     $ 294,265 $ 249,806
Other comprehensive income (loss) before reclassifications $ (1,359) $ 1,758 (5,269) 2,742
Accretion of unrealized losses of securities transferred from available for sale to held to maturity recognized in other comprehensive income 31 32 61 65
Reclassification adjustment for gains realized in income (74) (196) (184) (215)
Total other comprehensive (loss) income (1,402) 1,594 (5,392) 2,592
Balance 301,484 285,480 301,484 285,480
Unrealized Gains (Losses) on Securities Available for Sale [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance (4,924) (2,165) (904) (3,130)
Other comprehensive income (loss) before reclassifications (1,359) 1,758 (5,269) 2,742
Reclassification adjustment for gains realized in income (74) (196) (184) (215)
Total other comprehensive (loss) income (1,433) 1,562 (5,453) 2,527
Balance (6,357) (603) (6,357) (603)
Disproportionate Tax Effect from Securities Available for Sale [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance (17,110) (17,110) (17,110) (17,110)
Balance (17,110) (17,110) (17,110) (17,110)
Losses on Securities Transferred From Available for Sale to Held to Maturity [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance (641) (767) (671) (800)
Accretion of unrealized losses of securities transferred from available for sale to held to maturity recognized in other comprehensive income 31 32 61 65
Total other comprehensive (loss) income 31 32 61 65
Balance (610) (735) (610) (735)
Accumulated Other Comprehensive Income (Loss) [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Balance (22,675) (20,042) (18,685) (21,040)
Total other comprehensive (loss) income     (5,392) 2,592
Balance $ (24,077) $ (18,448) $ (24,077) $ (18,448)