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Derivatives - Summary of Interest Rate Swap Transactions (Detail) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Derivatives Fair Value [Line Items] |  |
Swap assets | $ 14,545 | $ 12,481
Accrued Liabilities and Other Liabilities | 14,545 | 12,481
Long [Member] | Interest Rate Swap [Member] |  |
Derivatives Fair Value [Line Items] |  |
Interest Rate Swaps With Loan Customers In An Asset Position Notional Amount | 38,167 | 44,773
Fair Value Of Interest Rate Swaps With Loan Customers In An Asset Position | 1,143 | 2,114
Short [Member] | Interest Rate Swap [Member] |  |
Derivatives Fair Value [Line Items] |  |
Interest Rate Swaps With Loan Customers In A Liability Position Notional Amount | 195,093 | 184,100
Fair Value Of Interest Rate Swaps With Loan Customers In A Liability Position | 14,545 | 12,481
Short [Member] | Financial Institutions [Member] |  |
Derivatives Fair Value [Line Items] |  |
Counterparty Positions With Financial Institutions In An Asset Position Notional Amount | 233,261 | 228,873
Fair Value Of Counterparty Positions With Financial Institutions In An Asset Position | $ 13,402 | $ 10,367

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