XML 131 R117.htm IDEA: XBRL DOCUMENT v3.8.0.1
Comprehensive Loss - Other Comprehensive Loss and Related Tax Effects (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Comprehensive Loss      
Unrealized loss on investment securities available-for-sale $ (1,790) $ (3,417) $ (510)
Net gain on the sale of investment securities available-for-sale(1)   (623) (1,189)
Amortization of actuarial loss (gain)(2) 195 208 198
Actuarial (loss) gain 123 709 (494)
Net change in benefit plan liabilities 318 917 (296)
Other comprehensive loss before taxes (1,472) (3,123) (1,995)
Income tax (515) (1,093) (699)
Other comprehensive loss, net of income taxes $ (957) $ (2,030) $ (1,296)