XML 70 R59.htm IDEA: XBRL DOCUMENT v3.4.0.3
Employee Benefit Plans, Accumulated Post-Retirement Benefit Obligation, Funded Status, and Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Change in benefit obligation        
Benefit obligation at beginning of year $ 1,967 $ 1,928    
Service cost 0 0    
Interest cost 21 18    
Benefits paid (30) (26)    
Benefit obligation at end of period 1,958 1,920    
Funded status        
Benefit obligation at end of period (1,967) (1,928) $ (1,958) $ (1,920)
Unamortized loss     240 192
Accrued benefit cost at end of period     $ (1,718) $ (1,728)
Components of net periodic benefit cost        
Service cost 0 0    
Interest cost 21 18    
Net periodic benefit cost $ 21 $ 18