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Loans and Allowance for Loan Losses - Narrative (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Reversal of interest income on nonaccrual loans | $ 26 | $ 12 |
Nonaccrual loans, no allowance | 1,300 |  | $ 1,600
Collateral-dependent loans | 8,300 |  | 8,100
Mortgage Loans in Process of Foreclosure, Amount | 0 |  | 0
Interest receivable | 34,890 |  | 49,350
Accrued interest receivable on our loan portfolio | 16,700 |  | 18,800
Extended Amortization Period |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Restructured loans | $ 179 |  | $ 897
Commercial Real Estate Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
General Loan Term | 20 years |  |
Owner and nonowner-occupied real estate | $ 1,650,000 |  |
Loans secured by multi-family properties | 313,400 |  |
Loans secured by farmland | $ 25,900 |  |
Commercial loans | Extended Amortization Period |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Number of loans modified | 1 |  |
Restructured loans | $ 179 |  |
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 |  |

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