Note G - Derivative Instruments - Schedule of Interest Rate Derivatives (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Interest Rate Swap 3793 [Member]
Derivative, Fixed Interest Rate	3.793%
Derivative Liability, Notional Amount	$ 50,000	$ 50,000
Interest Rate Derivative Assets, at Fair Value	$ 665	237
Interest Rate Swap 3836 [Member]
Derivative, Fixed Interest Rate	3.836%
Derivative Liability, Notional Amount	$ 50,000	50,000
Interest Rate Derivative Assets, at Fair Value	$ 700	189
Interest Rate Swap 4257 [Member]
Derivative, Fixed Interest Rate	4.257%
Derivative Liability, Notional Amount	$ 50,000	50,000
Interest Rate Derivative Assets, at Fair Value	$ 116
Interest Rate Derivative Liabilities, at Fair Value		(525)
Interest Rate Swap 4185 [Member]
Derivative, Fixed Interest Rate	4.185%
Derivative Liability, Notional Amount	$ 50,000	50,000
Interest Rate Derivative Assets, at Fair Value	$ 242
Interest Rate Derivative Liabilities, at Fair Value		$ (430)