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Loans and Allowance for Loan Losses - Narrative (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Interest receivable | $ 28,367,000 |  | $ 39,145,000
Reversal of interest income on nonaccrual loans | 12,000 | $ 18,000 |
Nonaccrual loans, no allowance | 946,000 |  | 1,200,000
Collateral-dependent loans | 8,900,000 |  | 8,500,000
Commitments to lend additional funds on Troubled Debt Restructurings (TDR) | 0 | $ 0 |
Mortgage Loans in Process of Foreclosure, Amount | 0 |  | 21,000
Accrued interest receivable on our loan portfolio | 12,600,000 |  | 13,300,000
Commercial Real Estate Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Owner and nonowner-occupied real estate | 1,440,000,000 |  |
Loans secured by multi-family properties | 258,400,000 |  |
Loans secured by farmland | $ 22,800,000 |  |
General Loan Term | 20 years |  |
1-4 Family Residential Real Estate Loans | Minimum |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
General Loan Term | 15 years |  |
1-4 Family Residential Real Estate Loans | Maximum |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
General Loan Term | 30 years |  |
Paycheck Protection Program |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Loans | $ 13,900,000 |  | $ 31,000,000

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