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Derivatives - Summary of Interest Rate Swap Transactions (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Derivatives Fair Value [Line Items] |  |
Swap assets | $ 14,682 | $ 12,481
Accrued Liabilities and Other Liabilities | 14,682 | 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 | 32,877 | 44,773
Fair Value Of Interest Rate Swaps With Loan Customers In An Asset Position | 1,213 | 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 | 192,227 | 184,100
Fair Value Of Interest Rate Swaps With Loan Customers In A Liability Position | 14,682 | 12,481
Short [Member] | Financial Institutions [Member] |  |
Derivatives Fair Value [Line Items] |  |
Counterparty Positions With Financial Institutions In An Asset Position Notional Amount | 225,104 | 228,873
Fair Value Of Counterparty Positions With Financial Institutions In An Asset Position | $ 13,469 | $ 10,367

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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