XML 124 R111.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 12 - Pension and Other Postretirement Benefit Plans - For the Directors' Plan, the Change in Benefit Obligation and Assets (Details) - Directors' Plan [Member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Projected benefit obligation at beginning of year $ 2,462 $ 2,530  
Service cost 42 42 $ 45
Interest cost 89 97 95
Actuarial gain (24) (63)  
Benefits paid (144) (144)  
Projected benefit obligation at end of year 2,425 2,462 2,530
Market value of assets at beginning of year 0 0  
Defined Benefit Plan, Plan Assets, Contributions by Employer 144 144  
Benefits paid (144) (144)  
Market value of plan assets at end of year 0 0 $ 0
Accrued pension cost included in other liabilities $ (2,425) $ (2,462)