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Business Combinations - Unaudited Pro Forma Condensed Combined Financial Information (Details) - Blackhawk Bancorp, Inc $ / shares in Units, $ in Thousands | 3 Months Ended
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Mar. 31, 2023 USD ($) $ / shares shares
Business Acquisition [Line Items] |
Net interest income | $ 57,640
Provision for credit losses | (402)
Non-interest income | 25,664
Non-interest expense | 55,808
Income before taxes | 27,898
Income tax expense | 6,395
Net income | $ 21,503
Earnings per share |
Basic | $ / shares | $ 0.9
Diluted | $ / shares | $ 0.9
Basic weighted average shares o/s | shares | 23,782,476
Diluted weighted average shares o/s | shares | 23,854,194

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