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Description of the Business and Summary of Significant Accounting Policies - Recent Developments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) item	Dec. 13, 2024 USD ($)
Description of the Business and Summary of Significant Accounting Policies
Bank-owned certificates of deposit maturity period	5 years
First Minnetonka City Bank
Description of the Business and Summary of Significant Accounting Policies
Full-Services branches | item	2
Total assets		$ 282,229
Deposits	$ 225,700	257,569
Loans, Net of PCD Allowance	$ 117,100	$ 119,308

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