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Loans and Allowance for Loan Losses - Nonperforming Assets by Asset Class (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Nonperforming Assets [Line Items] |  |  |
Restructured loans |  | $ 535 | $ 506
Nonperforming Assets |  |  |
Nonperforming Assets [Line Items] |  |  |
Nonaccrual loans | [1] | 7,709 | 3,889
Accruing loans past due more than 90 days |  | 0 | 0
Restructured loans |  | 151 | 13
OREO |  | 119 | 99
Repossessed assets |  | 0 | 0
Total nonperforming assets |  | 7,979 | 4,001
Nonperforming Assets | Construction Real Estate Loans |  |  |
Nonperforming Assets [Line Items] |  |  |
Nonaccrual loans |  | 40 | 29
Nonperforming Assets | 1-4 Family Residential Real Estate Loans |  |  |
Nonperforming Assets [Line Items] |  |  |
Nonaccrual loans |  | 2,767 | 2,093
Nonperforming Assets | Commercial Real Estate Loans |  |  |
Nonperforming Assets [Line Items] |  |  |
Nonaccrual loans |  | 2,423 | 528
Nonperforming Assets | Commercial loans |  |  |
Nonperforming Assets [Line Items] |  |  |
Nonaccrual loans |  | 2,451 | 1,208
Nonperforming Assets | Loans to individuals |  |  |
Nonperforming Assets [Line Items] |  |  |
Nonaccrual loans |  | $ 28 | $ 31
[1] | Includes $535,000 and $506,000 of restructured loans as of March 31, 2024 and December 31, 2023, respectively.

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