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Derivative Instruments (Tables)
6 Months Ended
Jun. 30, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Fair Value Of Derivative Instruments The following table summarizes the notional and fair value of these derivative instruments (in thousands):
June 30, 2021December 31, 2020
Notional AmountFair ValueNotional AmountFair Value
Non-hedging interest rate derivatives:
Customer counterparties:
Loan interest rate swap - assets$581,190 $31,211 $647,613 $52,364 
Loan interest rate swap - liabilities100,091 2,884 37,721 562 
Non-hedging interest rate derivatives:

Financial institution counterparties:
Loan interest rate swap - assets109,846 3,112 37,721 562 
Loan interest rate swap - liabilities585,041 31,332 661,866 52,607 
Change In Fair Value Of Derivative Instruments
The following table summarizes the change in fair value of these derivative instruments (in thousands):
 Three months ended June 30,Six months ended June 30,
2021202020212020
Change in Fair Value Non-Hedging Interest Rate Derivatives:  
Other income (expense) - derivative assets$4,854 $3,807 $(18,140)$41,718 
Other (expense) income - derivative liabilities(4,854)(3,807)18,140 (41,718)
Other (expense) income - derivative liabilities(185)10 352 183