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Derivatives and Hedging Activities (Tables)
9 Months Ended
Sep. 30, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Summary of pre-tax gains or losses
The effect of cash flow hedge accounting on OCI for the periods ending September 30, 2023 and 2022 was as follows:
Three Months endedNine Months ended
(Dollars in thousands)September 30,
2023
September 30,
2022
September 30,
2023
September 30,
2022
Amount of gain recognized in OCI
$654 3,132 2,540 7,002 
Amount of gain reclassified from OCI to net income
1,244 165 3,331 167