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Loans - Loans Acquired (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Feb. 01, 2025
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance | $ 1,432,273 |
Loan Balance | 1,432,273 |
Fair Value (Discount)/Premium | (54,729) |
Purchase Price of Loans at Acquisition | 107,285 |
Allowance for Credit Losses at Acquisition | 16,503 |
Non-Credit Discount/(Premium) at Acquisition | 5,554 |
Total | 129,342 |
Commercial and Industrial Loans |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance | 127,504 |
Loan Balance | 127,504 |
Fair Value (Discount)/Premium | (3,061) |
Allowance for Credit Losses at Acquisition | 5,246 |
Commercial Real Estate Loans |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance | 760,358 |
Loan Balance | 760,358 |
Fair Value (Discount)/Premium | (16,134) |
Allowance for Credit Losses at Acquisition | 7,675 |
Agricultural Loans |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance | 43,596 |
Loan Balance | 43,596 |
Fair Value (Discount)/Premium | (640) |
Allowance for Credit Losses at Acquisition | 3,352 |
Leases |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance | 0 |
Loan Balance | 0 |
Fair Value (Discount)/Premium | 0 |
Allowance for Credit Losses at Acquisition | 0 |
Consumer Loans |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance | 27,187 |
Loan Balance | 27,187 |
Fair Value (Discount)/Premium | (222) |
Allowance for Credit Losses at Acquisition | 20 |
Home Equity Loans |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance | 57,919 |
Loan Balance | 57,919 |
Fair Value (Discount)/Premium | (959) |
Allowance for Credit Losses at Acquisition | 11 |
Credit Cards |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance | 0 |
Loan Balance | 0 |
Fair Value (Discount)/Premium | 0 |
Allowance for Credit Losses at Acquisition | 0 |
Residential Mortgage Loans |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance | 415,709 |
Loan Balance | 415,709 |
Fair Value (Discount)/Premium | (33,713) |
Allowance for Credit Losses at Acquisition | $ 199 |
Heartland BancCorp |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |
Acquired Loan Balance |  | $ 1,569,036
Fair Value Discount |  | (65,658)
Fair Value |  | 1,503,378
Loan Balance |  | $ 1,569,036

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