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Derivatives (Tables)
12 Months Ended
Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Carrying Value and Fair Value Hedging Adjustment of Portfolio Layer Method Hedged Asset
The following table represents the carrying value of the portfolio layer method hedged assets and the cumulative fair value hedging adjustments included in the carrying value of the hedged assets as of December 31, 2023 and December 31, 2022:

December 31, 2023December 31, 2022
(Dollars in thousands)Balance Sheet LocationAmortized Cost BasisHedged AssetBasis AdjustmentAmortized Cost BasisHedged AssetBasis Adjustment
Fixed rate mortgagesLoans receivable$491,018 $390,297 $4,055 $— $— $— 
Fixed rate bondsInvestment securities available-for-sale59,270 50,000 1,570 11,059 10,885 (244)
Total hedged assets$550,288 $440,297 $5,625 $11,059 $10,885 $(244)
Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location
The following tables summarize outstanding financial derivative instruments as of December 31, 2023 and December 31, 2022:
December 31, 2023
(Dollars in thousands)Balance Sheet LocationNotional AmountFair Value of Asset (Liability)Gain (Loss)
Fair value hedge of interest rate risk:
Pay fixed rate swaps with counterpartyAccrued interest receivable and other assets$440,297 $(6,111)$(6,111)
Not designated hedges of interest rate risk:
Matched interest rate swaps with borrowersAccrued interest receivable and other assets126,494 6,249 6,249 
Matched interest rate swaps with counterpartyAccrued interest payable and other liabilities126,494 (6,249)(6,249)
Total derivatives$693,285 $(6,111)$(6,111)

December 31, 2022
(Dollars in thousands)Balance Sheet LocationNotional AmountFair Value of Asset (Liability)Gain (Loss)
Fair value hedge of interest rate risk:
Pay fixed rate swaps with counterpartyAccrued interest receivable and other assets$10,885 $578 $578 
Not designated hedges of interest rate risk:
Matched interest rate swaps with borrowersAccrued interest receivable and other assets137,739 8,427 8,427 
Matched interest rate swaps with counterpartyAccrued interest payable and other liabilities137,739 (8,427)(8,427)
Total derivatives$286,363 $578 $578