XML 80 R66.htm IDEA: XBRL DOCUMENT v3.3.1.900
Employee Benefit Plans, Accumulated Post-Retirement Benefit Obligation, Funded Status, and Net Periodic Benefit Cost (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Change in Benefit Obligations [Roll Forward]            
Benefit obligation at beginning of year $ 1,928 $ 1,479 $ 1,954      
Service cost 0 0 21      
Interest cost 80 71 86      
Benefits paid (102) (100) (107)      
Actuarial (gain) loss       $ 61 $ 478 $ (475)
Benefit obligation at end of period 1,967 1,928 1,479      
Funded Status of Plan [Abstract]            
Benefit obligation at end of period (1,928) (1,479) (1,954) (1,967) (1,928) (1,479)
Unamortized (gain) loss       240 192 (289)
Unrecognized transition obligation       0 0 0
Accrued benefit cost       $ (1,727) $ (1,736) $ (1,768)
Weighted average discount rate as of December 31       0.0425 0.0425 0.050
Components of Net Periodic Benefit Cost [Abstract]            
Service cost 0 0 21      
Interest cost 80 71 86      
Amortization of unrecognized transition obligation 0 0 5      
Amortization of gain 0 (12) 0      
Other settlement expense 12 10 0      
Net periodic benefit cost $ 92 $ 69 $ 112      
Weighted average discount rate for net periodic cost       0.0425 0.050 0.045