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Business Combinations (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 16, 2024 | Jan. 01, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2024 | Nov. 01, 2021
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  |  | $ 167,446 |  | $ 167,450 |
Crest Retirement Advisors LLC |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business combination, date of acquisition | Dec. 16, 2024 |  |  |  |  |
Business combination, assets acquired | $ 600 |  |  |  |  |
Contingent consideration payable | 400 |  |  |  |  |
Business combination, intangible assets acquired | 770 |  |  |  |  |
Goodwill | $ 4 |  |  |  |  |
Cortland Bank |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Nonrecurring merger costs |  |  |  | $ 4,400 |  |
Emclaire Financial Corp |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business combination, assets acquired |  | $ 977,621 |  |  |  |
Business acquisition, date of merger agreement |  | Jan. 01, 2023 |  |  |  |
Cash consideration per share |  |  |  | $ 14.12 |  |
Maximum percentage of common shares exchanged for company shares under merger agreement |  | 70.00% |  |  |  |
Remaining percentage of common shares exchanged for company cash under merger agreement |  | 30.00% |  |  |  |
Value of stock issued for acquisition |  | $ 33,440 |  |  |  |
Fair value of total consideration transferred |  | 92,642 |  | $ 92,600 |  |
Merger related costs |  |  | $ 5,500 | $ 2,000 |  |
Goodwill |  | $ 72,938 |  |  |  | $ 72,900
Emclaire Financial Corp | Common Stock |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash consideration per share |  | $ 40 |  |  |  |
Shares of stock issued for acquisition |  | 2.15 |  | 4,200,000 |  |
Value of stock issued for acquisition |  |  |  | $ 33,400 |  |
PCD Loans |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business combination acquired receivables with fair value |  | $ 714,400 |  |  |  |
Business combination acquired loans with gross contractual amounts receivable |  | $ 764,800 |  |  |  |

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