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EMPLOYEE BENEFIT PLANS - Allocation of Plan Assets (Details) - Pension Plans - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]      
Plan assets $ 12,422 $ 12,040 $ 11,078
Recurring      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 12,422 12,040  
Recurring | Large-cap      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 952 2,364  
Recurring | Mid-cap      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 296 744  
Recurring | Small-cap      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 302 765  
Recurring | International      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 573 1,499  
Recurring | Fixed-income - core plus      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets   3,880  
Recurring | Intermediate duration      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets   1,338  
Recurring | Long duration      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 9,042    
Recurring | Common stock      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 653 510  
Recurring | Common/collective trusts - large-cap      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 244 620  
Recurring | Cash equivalents - money market      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 360 320  
Level 1 | Recurring      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 12,178 11,420  
Level 1 | Recurring | Large-cap      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 952 2,364  
Level 1 | Recurring | Mid-cap      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 296 744  
Level 1 | Recurring | Small-cap      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 302 765  
Level 1 | Recurring | International      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 573 1,499  
Level 1 | Recurring | Fixed-income - core plus      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets   3,880  
Level 1 | Recurring | Intermediate duration      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets   1,338  
Level 1 | Recurring | Long duration      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 9,042    
Level 1 | Recurring | Common stock      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 653 510  
Level 1 | Recurring | Cash equivalents - money market      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 360 320  
Level 2 | Recurring      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 244 620  
Level 2 | Recurring | Common/collective trusts - large-cap      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets $ 244 $ 620