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Loans and Allowance for Credit Losses - Narrative (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Financing Receivable, Past Due [Line Items] |  |  |
Accrued interest receivable on loans | $ 31,746,000 |  | $ 31,676,000
Accrued interest receivable written off as an adjustment to interest income on non-accrual loans | 184,000 | $ 465,000 |
Recorded investment in TDRs | 20,601,000 |  | 32,435,000
TDRs classified as non-accruals | 13,722,000 |  | 11,084,000
Allocation to specific reserves | 1,994,000 |  | 1,245,000
Payment default for loans modified as troubled debt restructurings | 304,000 | $ 0 |
Federal Reserve Bank |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Pledged loans to the Federal Reserve Bank | 2,719,096,000 |  | 2,440,097,000
FHLB Cincinnati | Residential Mortgage Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Pledge loans to the Federal Home Loan Bank securing advances | 1,001,027,000 |  | 1,136,294,000
FHLB Cincinnati | Commercial Loan |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Pledge loans to the Federal Home Loan Bank securing advances | $ 1,530,928,000 |  | $ 1,581,673,000

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