Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS (Details)

v3.6.0.2
EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Change in Projected Benefit Obligation:      
Actuarial Loss (Gain) $ 9,958 $ 4,975 $ 22,603
Components of Net Periodic Benefit Costs:      
Amortization of Prior Service Costs 278 316 473
Net Loss Amortization (3,960) (3,743) (705)
Net Periodic Benefit Cost (5,720) (916) (21,425)
Defined benefit pension plan [Member]      
Change in Projected Benefit Obligation:      
Benefit Obligation at Beginning of Year 141,039 140,359 115,285
Service Cost 6,453 6,859 5,634
Interest Cost 5,587 5,750 5,513
Actuarial Loss (Gain) 9,118 (6,880) 22,632
Benefits Paid (9,412) (4,825) (8,438)
Expenses Paid (200) (224) (267)
Projected Benefit Obligation at End of Year 152,585 141,039 140,359
Change in Plan Assets:      
Fair Value of Plan Assets at Beginning of Year 105,792 108,172 103,842
Actual Return on Plan Assets 7,633 (2,331) 8,035
Employer Contributions 10,000 5,000 5,000
Benefits Paid (9,412) (4,825) (8,438)
Expenses Paid (200) (224) (267)
Fair Value of Plan Assets at End of Year 113,813 105,792 108,172
Funded Status of Plan and Accrued Liability Recognized at End of Year:      
Other Liabilities 38,772 35,247 32,186
Accumulated Benefit Obligation at End of Year 130,109 121,609 119,750
Components of Net Periodic Benefit Costs:      
Service Cost 6,453 6,859 5,634
Interest Cost 5,587 5,750 5,513
Expected Return on Plan Assets (7,736) (7,820) (7,487)
Amortization of Prior Service Costs 278 309 309
Net Loss Amortization 3,201 3,564 1,365
Net Periodic Benefit Cost $ 7,783 $ 8,662 $ 5,334
Weighted-average assumptions used to determine benefit obligations:      
Discount Rate (in percent) 4.21% 4.52% 4.15%
Rate of Compensation Increase (in percent) 3.25% 3.25% 3.25%
Measurement Date Dec. 31, 2016 Dec. 31, 2015 Dec. 31, 2014
Weighted-Average Assumptions Used to Determine Benefit Cost:      
Discount Rate (in percent) 4.52% 4.15% 5.00%
Expected Return on Plan Assets (in percent) 7.50% 7.50% 7.50%
Rate of Compensation Increase (in percent) 3.25% 3.25% 3.25%
Amortization Amounts from Accumulated Other Comprehensive Income:      
Net Actuarial Loss $ 9,221 $ 3,272 $ 22,083
Prior Service Cost (278) (309) (309)
Net Loss (3,201) (3,564) (1,365)
Deferred Tax Benefit (2,216) 232 (7,873)
Other Comprehensive Loss, net of tax 3,526 (369) 12,536
Amounts Recognized in Accumulated Other Comprehensive Income:      
Net Actuarial Losses 40,392 34,373 34,665
Prior Service Cost 488 766 1,075
Deferred Tax Liability (Benefit) (15,772) (13,556) (13,788)
Accumulated Other Comprehensive Loss (Gain), net of tax $ 25,108 $ 21,583 $ 21,952