Cybersecurity Risk Management and Strategy Disclosure |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Cybersecurity Risk Management, Strategy, and Governance [Line Items] | |
| Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] | First Guaranty and First Guaranty Bank recognize the importance of incorporating cybersecurity in its operations, reputation, and overall risk management frameworks. First Guaranty Bank manages cybersecurity for both the holding company First Guaranty Bancshares, Inc. and the bank subsidiary. The IT Steering Committee (ITSC), while reporting regularly to the full Bank Board of Directors (the “Bank Board”), has been delegated oversight to ensure appropriate cybersecurity risk management for risks that are inherent to our organization. These risk management strategies have been implemented into the organization’s enterprise risk management frameworks and our Internal Audit Plan. This disclosure is intended to inform investors about cybersecurity risks, risk management strategies, and potential impacts on financial conditions and operations in line with SEC guidance.
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| Cybersecurity Risk Management Processes Integrated [Flag] | true |
| Cybersecurity Risk Management Processes Integrated [Text Block] | First Guaranty and First Guaranty Bank recognize the importance of incorporating cybersecurity in its operations, reputation, and overall risk management frameworks. First Guaranty Bank manages cybersecurity for both the holding company First Guaranty Bancshares, Inc. and the bank subsidiary. The IT Steering Committee (ITSC), while reporting regularly to the full Bank Board of Directors (the “Bank Board”), has been delegated oversight to ensure appropriate cybersecurity risk management for risks that are inherent to our organization. These risk management strategies have been implemented into the organization’s enterprise risk management frameworks and our Internal Audit Plan. |
| Cybersecurity Risk Management Third Party Engaged [Flag] | true |
| Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] | true |
| Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] | false |
| Cybersecurity Risk Board of Directors Oversight [Text Block] | First Guaranty Bank’s Chief Information Security Officer (“CISO”) is primarily responsible for the development, monitoring, and implementation of the Information Security Program. The CISO, through direct interaction with the Chief Information Officer ("CIO"), works to manage cybersecurity risks and provide updates to the Bank Board. The CISO and CIO for First Guaranty Bank have over 30 years of combined cyber security experience and wealth of expertise. The CISO reports quarterly on cybersecurity metrics, key initiatives, and emerging risks that could affect the organization. In accordance with the Graham Leach Bliley Act, the Information Security Program was designed to include administrative, logical, and physical safeguards appropriate for the size and complexity of the organization. First Guaranty’s Information Security program recognizes and is in alignment the Federal Financial Institutions Examination Council (FFIEC) standard for cybersecurity risk management and best practices. First Guaranty assesses cybersecurity risk by identifying reasonably foreseeable internal and external threats that could result in unauthorized disclosure, misuse, alteration, or destruction of customer information, information systems, or bank records. These risks are then classified and prioritized based on their residual risk level. The organization has a board-approved risk appetite of “low.” Any risks with a residual risk above low are escalated to the board for oversight and a mitigation plan is developed to remediate the remaining residual risk.
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| Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block] | First Guaranty Bank’s Chief Information Security Officer (“CISO”) is primarily responsible for the development, monitoring, and implementation of the Information Security Program. The CISO, through direct interaction with the Chief Information Officer ("CIO"), works to manage cybersecurity risks and provide updates to the Bank Board. The CISO and CIO for First Guaranty Bank have over 30 years of combined cyber security experience and wealth of expertise. The CISO reports quarterly on cybersecurity metrics, key initiatives, and emerging risks that could affect the organization. |
| Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block] | The CISO, through direct interaction with the Chief Information Officer ("CIO"), works to manage cybersecurity risks and provide updates to the Bank Board. |
| Cybersecurity Risk Role of Management [Text Block] | First Guaranty Bank’s Chief Information Security Officer (“CISO”) is primarily responsible for the development, monitoring, and implementation of the Information Security Program. The CISO, through direct interaction with the Chief Information Officer ("CIO"), works to manage cybersecurity risks and provide updates to the Bank Board. The CISO and CIO for First Guaranty Bank have over 30 years of combined cyber security experience and wealth of expertise. The CISO reports quarterly on cybersecurity metrics, key initiatives, and emerging risks that could affect the organization. In accordance with the Graham Leach Bliley Act, the Information Security Program was designed to include administrative, logical, and physical safeguards appropriate for the size and complexity of the organization. First Guaranty’s Information Security program recognizes and is in alignment the Federal Financial Institutions Examination Council (FFIEC) standard for cybersecurity risk management and best practices.
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| Cybersecurity Risk Management Positions or Committees Responsible [Flag] | true |
| Cybersecurity Risk Management Positions or Committees Responsible [Text Block] | First Guaranty Bank’s Chief Information Security Officer (“CISO”) is primarily responsible for the development, monitoring, and implementation of the Information Security Program. The CISO, through direct interaction with the Chief Information Officer ("CIO"), works to manage cybersecurity risks and provide updates to the Bank Board. |
| Cybersecurity Risk Management Expertise of Management Responsible [Text Block] | The CISO and CIO for First Guaranty Bank have over 30 years of combined cyber security experience and wealth of expertise. |
| Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block] | The CISO reports quarterly on cybersecurity metrics, key initiatives, and emerging risks that could affect the organization. |
| Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] | true |