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EMPLOYEE BENEFIT PLANS, Noncontributory Defined Benefit Pension Plan Fair Value of Plan Assets (Details) - Pension Plan [Member] - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 13,916 $ 13,247 $ 13,277
Allocation 100.00% 100.00%  
Expected employer contribution to pension plan $ 0    
Expected future benefit payments [Abstract]      
2022 420    
2023 634    
2024 806    
2025 1,161    
2026 2,130    
2027 - 2031 3,944    
Level I [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 11,725 $ 10,575  
Level II [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 2,191 2,672  
Level III [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 0 0  
Cash and Cash Equivalents [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 188 $ 456  
Allocation 1.40% 3.40%  
Cash and Cash Equivalents [Member] | Level I [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 188 $ 456  
Cash and Cash Equivalents [Member] | Level II [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 0 0  
Cash and Cash Equivalents [Member] | Level III [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 0 0  
Equity Securities [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 6,291 $ 5,709  
Allocation 45.20% 43.10%  
Equity Securities [Member] | Minimum [Member]      
Target Allocations of Assets [Abstract]      
Target plan asset allocations 50.00%    
Equity Securities [Member] | Maximum [Member]      
Target Allocations of Assets [Abstract]      
Target plan asset allocations 70.00%    
Equity Securities [Member] | Level I [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 6,291 $ 5,709  
Equity Securities [Member] | Level II [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 0 0  
Equity Securities [Member] | Level III [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 0 0  
Mutual Funds and ETF's [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 5,246 $ 4,410  
Allocation 37.70% 33.30%  
Mutual Funds and ETF's [Member] | Level I [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 5,246 $ 4,410  
Mutual Funds and ETF's [Member] | Level II [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 0 0  
Mutual Funds and ETF's [Member] | Level III [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 0 0  
Corporate Bonds [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 2,191 $ 2,672  
Allocation 15.70% 20.20%  
Corporate Bonds [Member] | Minimum [Member]      
Target Allocations of Assets [Abstract]      
Target plan asset allocations 30.00%    
Corporate Bonds [Member] | Maximum [Member]      
Target Allocations of Assets [Abstract]      
Target plan asset allocations 50.00%    
Corporate Bonds [Member] | Level I [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 0 $ 0  
Corporate Bonds [Member] | Level II [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 2,191 2,672  
Corporate Bonds [Member] | Level III [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets 0 0  
Common Stock [Member]      
Plan assets at fair value [Abstract]      
Fair value of plan assets $ 686 $ 627  
Allocation 4.90% 4.70%