Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS - Weighted Average Assumptions (Details)

v3.22.0.1
BENEFIT PLANS - Weighted Average Assumptions (Details) - Pension Benefits
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Weighted-average assumptions used to determine benefit obligations    
Discount rate 2.86% 2.50%
Weighted-average assumptions used to determine net periodic benefit cost    
Discount rate 2.50% 3.40%
Expected return on plan assets 4.50% 5.00%