XML 49 R59.htm IDEA: XBRL DOCUMENT v3.2.0.727
Employee Benefit Plans (Details 1) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Components of net pension cost        
Pension expense $ 348 $ 236 $ 696 $ 472
Pension        
Components of net pension cost        
Service cost - benefits earned during the year     981  
Interest costs on projected benefit obligations     732  
Expected return on plan assets     (872)  
Expected administrative expenses     40  
Amortization of prior service cost     79  
Amortization of unrecognized net loss     0  
Net periodic pension expense     960  
Pension | Estimated        
Components of net pension cost        
Service cost - benefits earned during the year     1,325  
Interest costs on projected benefit obligations     838  
Expected return on plan assets     (957)  
Expected administrative expenses     40  
Amortization of prior service cost     79  
Amortization of unrecognized net loss     66  
Net periodic pension expense     $ 1,391