XML 122 R109.htm IDEA: XBRL DOCUMENT v3.22.0.1
Employee Benefits - Schedule of the Fair Values of the Retirement Plan Assets by Asset Category (Details) - Pension Benefits - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 101,294 $ 97,890 $ 93,638
Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 101,294    
Cash      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 618 1,079  
Cash | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 618    
Equity Securities - Large Cap      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 511 1,849  
Equity Securities - Large Cap | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 511    
Equity Security - Mutual Funds: Mixed-Cap      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 33,108 29,802  
Equity Security - Mutual Funds: Mixed-Cap | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 33,108    
Equity Security - Mutual Funds: International      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 29,022 28,055  
Equity Security - Mutual Funds: International | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 29,022    
Equity Security - Mutual Funds: Emerging Market      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,786 2,494  
Equity Security - Mutual Funds: Emerging Market | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,786    
Fixed Income - Mutual Funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 36,249 $ 34,611  
Fixed Income - Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 36,249