Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE BENEFIT PLANS (Details)

v3.4.0.3
EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Defined Benefit Pension Plan [Member]    
Components of Net Periodic Benefit Costs:    
Service Cost $ 1,613 $ 1,675
Interest Cost 1,397 1,425
Expected Return on Plan Assets (1,934) (1,950)
Prior Service Cost Amortization 69 75
Net Gain (Loss) Amortization 801 800
Net Periodic Benefit Cost (Income) $ 1,946 $ 2,025
Discount Rate (in percent) 4.52% 4.15%
Long-Term Rate of Return on Assets (in percent) 7.50% 7.50%
Supplemental Executive Retirement Plan [Member]    
Components of Net Periodic Benefit Costs:    
Interest Cost $ 40 $ 28
Prior Service Cost Amortization 2
Net Gain (Loss) Amortization $ 190 (90)
Net Periodic Benefit Cost (Income) $ 230 $ (60)
Discount Rate (in percent) 4.13% 4.15%