RETIREMENT PLANS - Net Assets and Allocations (Details) - Pension benefits - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Pension plan assets
Fair value of plan assets	$ 103,718	$ 89,352	$ 83,350
Weighted-average asset allocations (as a percent)	100.00%	100.00%
Level 1
Pension plan assets
Fair value of plan assets	$ 71,386	$ 49,123
Level 2
Pension plan assets
Fair value of plan assets	32,332	40,229
Cash, cash equivalents, money markets and other
Pension plan assets
Fair value of plan assets	$ 17,908	$ 5,037
Weighted-average asset allocations (as a percent)	17.00%	6.00%
Cash, cash equivalents, money markets and other | Level 1
Pension plan assets
Fair value of plan assets	$ 17,908	$ 5,037
Common Stock
Pension plan assets
Fair value of plan assets	$ 28,041	$ 27,785
Weighted-average asset allocations (as a percent)	28.00%	31.00%
Common Stock | Level 1
Pension plan assets
Fair value of plan assets	$ 28,041	$ 24,781
Common Stock | Level 2
Pension plan assets
Fair value of plan assets		3,004
Mutual funds - fixed income
Pension plan assets
Fair value of plan assets	$ 9,599	$ 9,494
Weighted-average asset allocations (as a percent)	9.00%	11.00%
Mutual funds - fixed income | Level 1
Pension plan assets
Fair value of plan assets	$ 9,599	$ 9,494
Mutual funds - equities
Pension plan assets
Fair value of plan assets	$ 9,299	$ 8,278
Weighted-average asset allocations (as a percent)	9.00%	9.00%
Mutual funds - equities | Level 1
Pension plan assets
Fair value of plan assets	$ 9,299	$ 8,278
Fixed income securities
Pension plan assets
Fair value of plan assets	$ 32,332	$ 37,225
Weighted-average asset allocations (as a percent)	31.00%	41.00%
Fixed income securities | Level 2
Pension plan assets
Fair value of plan assets	$ 32,332	$ 37,225
Other plan assets
Pension plan assets
Fair value of plan assets	$ 6,539	$ 1,533
Weighted-average asset allocations (as a percent)	6.00%	2.00%
Other plan assets | Level 1
Pension plan assets
Fair value of plan assets	$ 6,539	$ 1,533