XML 112 R100.htm IDEA: XBRL DOCUMENT v3.8.0.1
Other Operating Income and Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Other operating expense      
Advertising and marketing expense $ 1,208 $ 1,099 $ 1,178
Accounting and auditing expenses 818 690 797
ATM and interchange expense 886 853 814
ATM and debit card income      
Other operating income      
ATM and debit card income $ 3,378 $ 3,024 $ 2,714