XML 20 R57.htm IDEA: XBRL DOCUMENT v2.4.0.8
Employee Benefit Plans (Details 2) (USD $)
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Components of net pension cost    
Pension expense $ 236,000 $ 286,000
Pension
    
Defined Benefit Plan Disclosure    
Minimum required contribution 1,300,000  
Components of net pension cost    
Service cost - benefits earned during the year   1,174,000
Interest costs on projected benefit obligations   646,000
Expected return on plan assets   (797,000)
Expected administrative expenses   40,000
Amortization of prior service cost   79,000
Amortization of unrecognized net loss   31,000
Net periodic pension expense   1,173,000
Pension expense 236,000 286,000
Pension | Estimated
    
Components of net pension cost    
Service cost - benefits earned during the year 981,000  
Interest costs on projected benefit obligations 732,000  
Expected return on plan assets (887,000)  
Expected administrative expenses 40,000  
Amortization of prior service cost 79,000  
Net periodic pension expense $ 945,000