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EMPLOYEE BENEFIT PLANS - Assumptions (Details) - Defined benefit pension plan	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Asset allocation assumptions
Active management premium percentage	1.50%
Asset allocation assumption	100.00%
Actual return on plan assets (as a percent)	14.20%	19.20%
Equity securities
Asset allocation assumptions
Asset allocation assumption	62.00%
Fixed income securities
Asset allocation assumptions
Asset allocation assumption	33.00%
Real estate
Asset allocation assumptions
Asset allocation assumption	5.00%

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- Definition

The active management premium rate used as a base for the expected long-term rate of return assumption calculation of pension liability.

+ References

No definition available.

+ Details

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- Definition

Defined benefit plan asset allocation assumption.

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No definition available.

+ Details

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- Definition

Represents the actual rate of earnings on the funds invested to provide for the benefits included in the benefit obligation.

+ References

No definition available.

+ Details

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- References

No definition available.

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