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Business Combinations (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Jan. 01, 2023	Jul. 01, 2022	Dec. 31, 2023	Dec. 31, 2022	Nov. 01, 2021
Business Acquisition [Line Items]
Goodwill			$ 167,446	$ 94,640
Randy L. Jones Agency, Inc.
Business Acquisition [Line Items]
Business combination, date of acquisition		Jul. 01, 2022
Business combination, assets acquired		$ 900
Business combination, intangible assets acquired		633
Goodwill		$ 267
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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