Note D - Bank Premises and Equipment - Bank Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Totals, at cost	$ 52,320	$ 56,458
Less: Accumulated depreciation	32,850	37,959
Bank premises and equipment, net of accumulated depreciation	19,470	18,499
Land [Member]
Totals, at cost	5,534	5,554
Building [Member]
Totals, at cost	$ 35,739	31,891
Building [Member] | Minimum [Member]
Estimated useful lives (Year)	5 years
Building [Member] | Maximum [Member]
Estimated useful lives (Year)	40 years
Furniture and Fixtures [Member]
Totals, at cost	$ 10,474	16,585
Furniture and Fixtures [Member] | Minimum [Member]
Estimated useful lives (Year)	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Estimated useful lives (Year)	10 years
Construction in Progress [Member]
Totals, at cost	$ 573	$ 2,428