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Loans and Allowance for Credit Losses on Loans HFI - Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) branch | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) branch | Dec. 31, 2023 USD ($)
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accrued interest receivable on loans | $ 43,503 |  | $ 43,503 |  | $ 43,776
Accrued interest receivable written off as an adjustment to interest income on non-accrual loans | 128 | $ 322 | 536 | $ 666 |
Term extensions for borrowers | 32 | $ 0 | 32 | $ 0 |
Financial Difficulty Modification |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Commitment to lend additional amounts to troubled debt restructuring | 300 |  | 300 |  | 0
Residential Mortgage Loans |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Number modified of mortgage loans | branch |  | 1 |  | 3 |
Term extensions for borrowers |  | $ 31 |  | $ 165 |
Commercial and Industrial Loan |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Number modified of mortgage loans | branch |  | 1 |  | 1 |
Term extensions for borrowers |  | $ 187 |  | $ 187 |
Commercial and Industrial Loan | Federal Reserve Bank |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Deposit liabilities, collateral issued, financial instruments | 2,651,997 |  | 2,651,997 |  | 3,107,495
FHLB Cincinnati | Residential Mortgage Loans |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Collateral securing line of credit | 925,200 |  | 925,200 |  | 1,030,016
FHLB Cincinnati | Commercial Loan |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Collateral securing line of credit | $ 1,604,389 |  | $ 1,604,389 |  | $ 1,984,007

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