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Derivative Instruments and Hedging Activities - Cash Flow Hedge Agreements (Details) - Interest Rate Swap - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Derivative [Line Items]    
Amount of hedged item $ 20,000  
Amount of gain recognized in AOCI 1,249 $ 651
Amount of gain reclassified from AOCI interest expense $ 126 $ 0