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BORROWINGS - Additional Information (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 USD ($) bank | Dec. 31, 2022 USD ($) | Oct. 11, 2023 USD ($) | Oct. 10, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |
Residential real estate loans and securities pledged as collateral for FHLB advances, carrying value | $ 824,000,000 | $ 549,000,000 |  |
FHLB stock | 18,000,000.0 | 12,400,000 |  |
FHLB borrowing capacity, authorized | 800,000,000.0 | 800,000,000.0 |  |
Commercial loans pledged as collateral for federal reserve discount window | 1,590,000,000 | 928,600,000 |  |
Federal reserve borrowing capacity | 1,260,000,000 | 758,300,000 |  |
Remaining borrowing capacity | $ 325,000,000 | 350,000,000.0 |  |
Number of banks | bank | 11 |  |  |
Proceeds from lines of credit | $ 0 | 22,000,000 |  |
Federal Funds purchased | 0 | 22,000,000 |  |
American Financial Exchange |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Remaining borrowing capacity | 319,000,000.0 | 319,000,000.0 |  |
Federal Funds purchased | 0 | $ 0 |  |
Pledged as Collateral |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Securities borrowed collateral value | $ 150,500,000 |  |  |
FHLB of Indianapolis Bullet Advance |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate | 5.55% | 4.21% |  |
Federal Home Loan Bank Advances |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Current borrowing capacity | $ 574,900,000 | $ 574,900,000 |  |
Borrowings | 0 | 0 |  |
Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Borrowings | $ 0 | $ 0 |  |
Line of Credit | Unsecured Revolving Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Borrowing capacity |  |  | $ 30,000,000 |
Debt instrument, term | 1 year |  |  |
Line of Credit | Previous Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Borrowing capacity |  |  |  | $ 12,500,000

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- Definition The carrying amount as of the date of the latest financial statement presented of commercial loans which are owned but transferred to the Federal Reserve to serve as collateral to partially or fully secure a debt obligation and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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- Definition The carrying amount as of the date of the latest financial statement presented of residential mortgage loans and mortgage-related securities classified as available for sale which are owned but transferred to the FHLB to serve as collateral to partially or fully secure a debt obligation and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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- Definition Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480876/942-470-45-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480848/942-470-50-3 + Details
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 325 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481026/942-325-45-1 + Details
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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481961/940-320-45-2 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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