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EMPLOYEE BENEFIT PLANS - Schedule of Assumptions Used (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Pension Plans
Projected benefit obligation
Discount rate beginning of year	4.23%	3.56%
Net periodic pension cost
Discount rate	3.56%	4.09%
Long-term rate of return on plan assets	6.50%	7.00%
Non-qualified Supplemental Executive Retirement Plan
Projected benefit obligation
Discount rate beginning of year	3.83%	3.13%	3.31%

X

- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

+ References

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-Publisher FASB
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-Topic 715
-SubTopic 20
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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

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