Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Estimated Useful Lives of Assets

Depreciation and amortization are calculated principally on an accelerated or straight-line basis over the estimated useful lives of the assets, or the shorter of the estimated useful life or lease term for leasehold improvements, as follows:

Buildings	10 to 39 years
Furniture and equipment	3 to 15 years
Leasehold improvements	5 to 30 years

Assumptions Used in Option Pricing Model

The following assumptions were used in the option pricing model in determining the fair value of options granted during the periods presented.

Year ended December 31,	2024			2023			2022
Risk free interest rate		3.98	%		3.64	%		1.25	%
Dividend yield		5.97	%		4.80	%		3.64	%
Volatility		20.96	%		20.36	%		22.68	%
Expected life (years)		8.19			8.35			4.05