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Derivatives and Risk Management - Schedule of Collateral Outstanding Related to Derivative Instruments (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Derivative [Line Items]    
Balance sheet offsetting (cash collateral against net derivative positions) $ 9,089,000 $ 8,666,000
Commodity Contracts [Member]    
Derivative [Line Items]    
Cash collateral posted 30,567,000 4,953,000
Letters of credit outstanding 34,000,000 23,500,000
Balance sheet offsetting (cash collateral against net derivative positions) 9,089,000 616,000
Interest Rate Swap [Member]    
Derivative [Line Items]    
Cash collateral posted   8,050,000
Letters of credit outstanding 0 0
Liabilities with credit-risk-related contingent features 25,274,000 50,813,000
Additional collateral to post $ 25,274,000 $ 42,763,000