XML 61 R51.htm IDEA: XBRL DOCUMENT v3.8.0.1
Other Comprehensive Income (Loss) (Components of OCI) (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Total other comprehensive (loss) income, before tax $ 950 $ (1,912) $ 4,496 $ 14,238
Total other comprehensive income (loss), tax effect (381) 768 (1,807) (5,718)
Reclassification adjustment for losses (gains) included in net income, after tax (36) (115) (105) (456)
Total other comprehensive income (loss) 569 (1,144) 2,689 8,520
Unrealized gains and losses on securities available for sale [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net (losses) gains arising during the period, before tax 799 (2,575) 4,136 14,260
Reclassification adjustment for losses (gains) included in net income, before tax 0 43 0 (54)
Total other comprehensive (loss) income, before tax 799 (2,532) 4,136 14,206
Net (losses) gains arising during the period, tax effect (320) 1,034 (1,658) (5,727)
Reclassification adjustment for losses (gains) included in net income, tax effect 0 (17) 0 22
Total other comprehensive income (loss), tax effect (320) 1,017 (1,658) (5,705)
Net (losses) gains arising during the period, after tax 479 (1,541) 2,478 8,533
Reclassification adjustment for losses (gains) included in net income, after tax 0 26 0 (32)
Total other comprehensive income (loss) 479 (1,515) 2,478 8,501
Unrealized gains (losses) on derivatives (cash flow hedges) [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Total other comprehensive (loss) income, before tax 90 384 177 (603)
Total other comprehensive income (loss), tax effect (36) (154) (71) 242
Total other comprehensive income (loss) 54 230 106 (361)
Post-retirement obligations [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Total other comprehensive (loss) income, before tax 61 236 183 635
Total other comprehensive income (loss), tax effect (25) (95) (78) (255)
Total other comprehensive income (loss) $ 36 $ 141 $ 105 $ 380