Note 7 - Servicing Rights on Sold Loans (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Servicing Asset, Mortgage Loans Serviced for Third Parties	$ 301,600	$ 329,300
Servicing Asset at Fair Value, Amount	$ 3,014	$ 3,281
Contractually Specified Servicing Fee Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Noninterest Income	Noninterest Income