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Note 21 - Fair Value - Changes In Fair Values of Trading Securities (Details) - Trading securities - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at the beginning of the period	$ 22,369
Trading securities purchased	60,233	$ 22,369
Paydowns	(13)
Premium amortization	(616)
Fair value gain (loss)	$ 1,556
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Fair Value Gain Loss On Derivatives An Trading Securities	Fair Value Gain Loss On Derivatives An Trading Securities
Balance at the end of the period	$ 83,529	$ 22,369

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