Consolidated Financial Statements	3 Months Ended
Mar. 31, 2023
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Consolidated Financial Statements	(1) Consolidated Financial Statements Nature of Operations and Principles of Consolidation: Civista Bancshares, Inc. (CBI) is an Ohio corporation and a registered financial holding company. The Consolidated Financial Statements include the accounts of CBI and its wholly-owned direct and indirect subsidiaries: Civista Bank (Civista), Vision Financial Group, Inc. (VFG), First Citizens Insurance Agency, Inc. (FCIA), Water Street Properties, Inc. (Water St.), CIVB Risk Management, Inc. (CRMI) and First Citizens Investments, Inc. (FCI). Civista provides financial services through its offices in the Ohio counties of Erie, Crawford, Champaign, Franklin, Logan, Madison, Summit, Huron, Ottawa, Richland, Montgomery, Henry, Wood and Cuyahoga, in the Indiana counties of Dearborn and Ripley and in the Kentucky county of Kenton. Its primary deposit products are checking, savings, and term certificate accounts, and its primary lending products are residential mortgage, commercial, and installment loans. Substantially all loans are secured by specific items of collateral including business assets, consumer assets and commercial and residential real estate. Commercial loans are expected to be repaid from cash flow from operations of businesses. Financial instruments that potentially represent concentrations of credit risk include deposit accounts in other financial institutions that are in excess of federally insured limits. Civista also engages in a general equipment leasing and financing business through its wholly-owned subsidiary, VFG, which was acquired in October 2022 and is headquartered in Pittsburgh, Pennsylvania. FCIA is wholly-owned by CBI and was formed to allow the Company to participate in commission revenue generated through its third-party insurance agreement. Water St. is wholly-owned by CBI and was formed to hold properties repossessed by CBI subsidiaries. CRMI is a captive insurance company that is wholly-owned by CBI and allows CBI and its subsidiaries to insure against certain risks unique to their operations. The operations of CRMI are located in Wilmington, Delaware. FCI is wholly-owned by Civista and holds and manages its securities portfolio. The operations of FCI are located in Wilmington, Delaware. The above companies together are referred to as the “Company.” Intercompany balances and transactions are eliminated in consolidation. Management considers the Company to operate primarily in one reportable segment, banking. The Consolidated Financial Statements have been prepared by the Company without audit. In the opinion of management, all adjustments (which include only normal recurring adjustments) necessary to present fairly the Company’s financial position as of March 31, 2023 and its results of operations and changes in cash flows for the periods ended March 31, 2023 and 2022 have been made. The accompanying Unaudited Consolidated Financial Statements have been prepared in accordance with instructions of Form 10-Q, and therefore certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles in the United States of America have been omitted. The results of operations for the period ended March 31, 2023 are not necessarily indicative of the operating results for the full year. Reference is made to the accounting policies of the Company described in the notes to the audited financial statements contained in the Company’s 2022 annual report. The Company has consistently followed these policies in preparing this Form 10-Q.

Consolidated Financial Statements

3 Months Ended

Mar. 31, 2023

Organization Consolidation And Presentation Of Financial Statements [Abstract]

(1) Consolidated Financial Statements

Nature of Operations and Principles of Consolidation: Civista Bancshares, Inc. (CBI) is an Ohio corporation and a registered financial holding company. The Consolidated Financial Statements include the accounts of CBI and its wholly-owned direct and indirect subsidiaries: Civista Bank (Civista), Vision Financial Group, Inc. (VFG), First Citizens Insurance Agency, Inc. (FCIA), Water Street Properties, Inc. (Water St.), CIVB Risk Management, Inc. (CRMI) and First Citizens Investments, Inc. (FCI).

Civista provides financial services through its offices in the Ohio counties of Erie, Crawford, Champaign, Franklin, Logan, Madison, Summit, Huron, Ottawa, Richland, Montgomery, Henry, Wood and Cuyahoga, in the Indiana counties of Dearborn and Ripley and in the Kentucky county of Kenton. Its primary deposit products are checking, savings, and term certificate accounts, and its primary lending products are residential mortgage, commercial, and installment loans. Substantially all loans are secured by specific items of collateral including business assets, consumer assets and commercial and residential real estate. Commercial loans are expected to be repaid from cash flow from operations of businesses. Financial instruments that potentially represent concentrations of credit risk include deposit accounts in other financial institutions that are in excess of federally insured limits. Civista also engages in a general equipment leasing and financing business through its wholly-owned subsidiary, VFG, which was acquired in October 2022 and is headquartered in Pittsburgh, Pennsylvania.

FCIA is wholly-owned by CBI and was formed to allow the Company to participate in commission revenue generated through its third-party insurance agreement. Water St. is wholly-owned by CBI and was formed to hold properties repossessed by CBI subsidiaries. CRMI is a captive insurance company that is wholly-owned by CBI and allows CBI and its subsidiaries to insure against certain risks unique to their operations. The operations of CRMI are located in Wilmington, Delaware. FCI is wholly-owned by Civista and holds and manages its securities portfolio. The operations of FCI are located in Wilmington, Delaware.

The above companies together are referred to as the “Company.” Intercompany balances and transactions are eliminated in consolidation. Management considers the Company to operate primarily in one reportable segment, banking.

The Consolidated Financial Statements have been prepared by the Company without audit. In the opinion of management, all adjustments (which include only normal recurring adjustments) necessary to present fairly the Company’s financial position as of March 31, 2023 and its results of operations and changes in cash flows for the periods ended March 31, 2023 and 2022 have been made. The accompanying Unaudited Consolidated Financial Statements have been prepared in accordance with instructions of Form 10-Q, and therefore certain information and footnote disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles in the United States of America have been omitted. The results of operations for the period ended March 31, 2023 are not necessarily indicative of the operating results for the full year. Reference is made to the accounting policies of the Company described in the notes to the audited financial statements contained in the Company’s 2022 annual report. The Company has consistently followed these policies in preparing this Form 10-Q.