Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS (Details 7)

v3.20.4
EMPLOYEE BENEFIT PLANS (Details 7)
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage   100.00% 100.00%
Minimum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 0.00%    
Maximum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 100.00%    
Cash and Cash Equivalents [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage   41.10% 72.30%
Cash and Cash Equivalents [Member] | Minimum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 0.00%    
Cash and Cash Equivalents [Member] | Maximum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 100.00%    
Domestic equity - all other [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage   29.00% 5.80%
Domestic equity - all other [Member] | Minimum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 0.00%    
Domestic equity - all other [Member] | Maximum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 40.00%    
International equity [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage   15.00% 1.90%
International equity [Member] | Minimum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 0.00%    
International equity [Member] | Maximum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 30.00%    
Fixed Income Funds [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage   14.90% 2.10%
Fixed Income Funds [Member] | Minimum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 0.00%    
Fixed Income Funds [Member] | Maximum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 100.00%    
Real Estate [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage   0.00% 9.50%
Real Estate [Member] | Minimum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 0.00%    
Real Estate [Member] | Maximum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 20.00%    
Alternative/Opportunistic/Special [member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage   0.00% 10.40%
Alternative/Opportunistic/Special [member] | Minimum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 0.00%    
Alternative/Opportunistic/Special [member] | Maximum [Member]      
Defined Benefit Plan, Plan Assets, Level 3 Reconciliation [Line Items]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 20.00%