Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE BENEFIT PLANS (Details)

v3.19.2
EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Defined Benefit Pension Plan [Member]        
Components of Net Periodic Benefit Costs:        
Service Cost $ 1,529 $ 1,721 $ 3,057 $ 3,442
Interest Cost 1,545 1,415 3,089 2,830
Expected Return on Plan Assets (2,382) (2,391) (4,764) (4,782)
Prior Service Cost Amortization 4 50 8 100
Net Gain (Loss) Amortization 965 918 1,931 1,837
Net Periodic Benefit Cost (Income) $ 1,661 $ 1,713 $ 3,321 $ 3,427
Discount Rate (in percent) 4.43% 3.71% 4.43% 3.71%
Long-Term Rate of Return on Assets (in percent) 7.25% 7.25% 7.25% 7.25%
Supplemental Executive Retirement Plan [Member]        
Components of Net Periodic Benefit Costs:        
Interest Cost $ 87 $ 57 $ 174 $ 113
Net Gain (Loss) Amortization 190 406 380 813
Net Periodic Benefit Cost (Income) $ 277 $ 463 $ 554 $ 926
Discount Rate (in percent) 4.23% 3.53% 4.23% 3.53%