EMPLOYEE BENEFIT PLANS - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) plan	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of qualified defined benefit plans | plan	1
Pension contribution requirements in next fiscal year	$ 0
Cost recognized	1,100,000	$ 1,100,000	$ 1,000,000
Amount of employer and related party securities included in plan assets	11,000,000	8,500,000
Contributions for 401k plan enhancement	1,200,000	1,000,000	$ 900,000
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss)	$ 5,112,000	$ (11,413,000)
Discount rate	2.65%	2.26%	3.06%
Expected long-term return on plan assets	5.72%	5.72%	5.72%
Percentage of  Plan Assets	100.00%	100.00%
Pension Benefits | Retirement Plan, Demographics
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss)	$ 500,000
Pension Benefits | Retirement Plan, Mortality
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss)	(300,000)
Pension Benefits | Retirement Plan, Discount Rate
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss)	$ 5,100,000
Pension Benefits | Maximum | Defined Benefit Plan, Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of  Plan Assets	80.00%
Postretirement
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss)	$ 35,000	$ (209,000)
Discount rate	2.75%	2.42%	3.16%
Expected long-term return on plan assets	0.00%	0.00%	0.00%
Postretirement | Retirement Plan, Demographics
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss)	$ (100,000)
Postretirement | Retirement Plan, Discount Rate
Defined Benefit Plan Disclosure [Line Items]
Actuarial gain (loss)	$ 100,000