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Allowance for Credit Losses, Credit Quality and Other - Presentation of Troubled Debt Restructurings ("TDRs") by Class (Detail) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) loan | Dec. 31, 2022 USD ($) contract
Financing Receivable, Modifications [Line Items] |  |
Number of loans | 21 | 44
Restructured loans, amount | $ 19,500 | $ 11,140
Post modification outstanding balance | $ 24,610 | 5,745
Percentage of Total Class of Loans Receivable | 0.17% |
Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | $ 3,225 | 790
Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 636 | 4,072
Principal Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 149 |
Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 3,518 |
Rate and Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 938 | $ 883
Principal and Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 5 |
Term Extension and Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 16,023 |
Term Extension and Principal Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 116 |
Commercial real estate loans | Non-farm/non-residential |  |
Financing Receivable, Modifications [Line Items] |  |
Number of loans | contract |  | 11
Restructured loans, amount |  | $ 4,462
Post modification outstanding balance | $ 18,306 | 2,429
Percentage of Total Class of Loans Receivable | 0.33% |
Commercial real estate loans | Non-farm/non-residential | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | $ 398 | 598
Commercial real estate loans | Non-farm/non-residential | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 | 1,395
Commercial real estate loans | Non-farm/non-residential | Principal Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Commercial real estate loans | Non-farm/non-residential | Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 1,537 |
Commercial real estate loans | Non-farm/non-residential | Rate and Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 348 | $ 436
Commercial real estate loans | Non-farm/non-residential | Principal and Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Commercial real estate loans | Non-farm/non-residential | Term Extension and Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 16,023 |
Commercial real estate loans | Non-farm/non-residential | Term Extension and Principal Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Commercial real estate loans | Construction/ Land Development |  |
Financing Receivable, Modifications [Line Items] |  |
Number of loans | contract |  | 1
Restructured loans, amount |  | $ 216
Post modification outstanding balance | $ 149 | 177
Percentage of Total Class of Loans Receivable | 0.01% |
Commercial real estate loans | Construction/ Land Development | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | $ 0 | 0
Commercial real estate loans | Construction/ Land Development | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 | 177
Commercial real estate loans | Construction/ Land Development | Principal Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Commercial real estate loans | Construction/ Land Development | Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 149 |
Commercial real estate loans | Construction/ Land Development | Rate and Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 | $ 0
Commercial real estate loans | Construction/ Land Development | Principal and Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Commercial real estate loans | Construction/ Land Development | Term Extension and Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Commercial real estate loans | Construction/ Land Development | Term Extension and Principal Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Residential Real Estate | Residential 1-4 family |  |
Financing Receivable, Modifications [Line Items] |  |
Number of loans | contract |  | 14
Restructured loans, amount |  | $ 2,115
Post modification outstanding balance | $ 1,955 | 1,207
Percentage of Total Class of Loans Receivable | 0.11% |
Residential Real Estate | Residential 1-4 family | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | $ 560 | 145
Residential Real Estate | Residential 1-4 family | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 598 | 772
Residential Real Estate | Residential 1-4 family | Principal Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 106 |
Residential Real Estate | Residential 1-4 family | Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 59 |
Residential Real Estate | Residential 1-4 family | Rate and Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 516 | $ 290
Residential Real Estate | Residential 1-4 family | Principal and Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Residential Real Estate | Residential 1-4 family | Term Extension and Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Residential Real Estate | Residential 1-4 family | Term Extension and Principal Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 116 |
Residential Real Estate | Multifamily residential |  |
Financing Receivable, Modifications [Line Items] |  |
Number of loans | contract |  | 1
Restructured loans, amount |  | $ 1,130
Post modification outstanding balance |  | 969
Residential Real Estate | Multifamily residential | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance |  | 0
Residential Real Estate | Multifamily residential | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance |  | 969
Residential Real Estate | Multifamily residential | Rate and Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance |  | $ 0
Total real estate |  |
Financing Receivable, Modifications [Line Items] |  |
Number of loans | contract |  | 27
Restructured loans, amount |  | $ 7,923
Post modification outstanding balance | $ 20,410 | 4,782
Percentage of Total Class of Loans Receivable | 0.20% |
Total real estate | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | $ 958 | 743
Total real estate | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 598 | 3,313
Total real estate | Principal Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 106 |
Total real estate | Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 1,745 |
Total real estate | Rate and Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 864 | $ 726
Total real estate | Principal and Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Total real estate | Term Extension and Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 16,023 |
Total real estate | Term Extension and Principal Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 116 |
Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Number of loans | contract |  | 2
Restructured loans, amount |  | $ 18
Post modification outstanding balance | $ 30 | 12
Percentage of Total Class of Loans Receivable | 0.00% |
Consumer | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | $ 14 | 0
Consumer | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 | 11
Consumer | Principal Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 1 |
Consumer | Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 10 |
Consumer | Rate and Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 | $ 1
Consumer | Principal and Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 5 |
Consumer | Term Extension and Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Consumer | Term Extension and Principal Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Commercial & Industrial |  |
Financing Receivable, Modifications [Line Items] |  |
Number of loans | contract |  | 15
Restructured loans, amount |  | $ 3,199
Post modification outstanding balance | $ 4,170 | 951
Percentage of Total Class of Loans Receivable | 0.18% |
Commercial & Industrial | Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | $ 2,253 | 47
Commercial & Industrial | Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 38 | 748
Commercial & Industrial | Principal Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 42 |
Commercial & Industrial | Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 1,763 |
Commercial & Industrial | Rate and Term Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 74 | $ 156
Commercial & Industrial | Principal and Rate Modification |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Commercial & Industrial | Term Extension and Interest Forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | 0 |
Commercial & Industrial | Term Extension and Principal Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Post modification outstanding balance | $ 0 |

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