| Fair Value, by Balance Sheet Grouping [Table Text Block] |
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Carrying
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Fair Value Measurements Using:
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March 31, 2026 (in thousands)
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amount
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Fair value
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Level 1
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Level 2
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Level 3
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Assets
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Cash and cash equivalents
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$ |
666,719 |
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$ |
666,719 |
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$ |
666,719 |
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$ |
— |
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$ |
— |
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HTM debt securities
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192,956 |
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175,255 |
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1,996 |
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173,259 |
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— |
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Federal Home Loan Bank stock
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20,717 |
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20,717 |
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— |
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20,717 |
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— |
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Loans, net
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7,132,833 |
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7,052,710 |
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— |
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— |
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7,052,710 |
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Accrued interest receivable
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28,579 |
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28,579 |
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— |
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28,579 |
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— |
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Mortgage servicing rights
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9,776 |
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23,053 |
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— |
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— |
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23,053 |
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Liabilities
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Non-interest bearing deposits
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$ |
1,456,324 |
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$ |
1,456,324 |
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$ |
1,456,324 |
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$ |
— |
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$ |
— |
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Transaction deposits
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4,557,399 |
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4,557,399 |
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— |
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4,557,399 |
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— |
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Time deposits
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1,743,513 |
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1,743,609 |
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— |
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1,743,609 |
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— |
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Securities sold under agreement to repurchase
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87,513 |
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87,513 |
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— |
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87,513 |
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— |
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Federal funds purchased
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7,345 |
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7,345 |
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— |
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7,345 |
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— |
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Subordinated debentures
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26,806 |
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26,438 |
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— |
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26,438 |
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— |
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FHLB advances
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300,000 |
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295,886 |
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— |
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295,886 |
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— |
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Accrued interest payable
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1,706 |
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1,706 |
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— |
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1,706 |
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— |
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Carrying
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Fair Value Measurements Using:
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December 31, 2025 (in thousands)
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Amount
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Fair Value
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Level 1
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Level 2
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Level 3
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Assets
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Cash and cash equivalents
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$ |
886,376 |
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$ |
886,376 |
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$ |
886,376 |
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$ |
— |
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$ |
— |
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HTM debt securities
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198,946 |
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181,203 |
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1,982 |
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179,221 |
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— |
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Federal Home Loan Bank stock
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20,717 |
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20,717 |
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— |
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20,717 |
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— |
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Loans, net
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6,949,443 |
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6,872,537 |
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— |
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— |
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6,872,537 |
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Accrued interest receivable
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28,783 |
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28,783 |
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— |
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28,783 |
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— |
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Mortgage servicing rights
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10,189 |
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22,237 |
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— |
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— |
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22,237 |
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Liabilities
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Non-interest bearing deposits
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$ |
1,435,846 |
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$ |
1,435,846 |
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$ |
1,435,846 |
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$ |
— |
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$ |
— |
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Transaction deposits
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4,618,757 |
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4,618,757 |
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— |
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4,618,757 |
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— |
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Time deposits
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1,736,534 |
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1,740,161 |
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— |
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1,740,161 |
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— |
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Securities sold under agreement to repurchase
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112,476 |
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112,476 |
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— |
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112,476 |
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— |
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Federal funds purchased
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7,289 |
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7,289 |
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— |
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7,289 |
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— |
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Subordinated debentures
|
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26,806 |
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26,547 |
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— |
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26,547 |
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— |
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FHLB advances
|
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300,000 |
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297,101 |
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— |
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297,101 |
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— |
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Accrued interest payable
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1,740 |
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1,740 |
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— |
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1,740 |
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— |
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