Note 2 - Summary of Significant Accounting Policies - Basic and Diluted Earnings Per Share Computation (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Weighted average basic shares outstanding (in shares)	101,947	103,440	104,141
Effect of common stock equivalents (in shares)	807	1,011	1,135
Weighted average shares outstanding – diluted (in shares)	102,754	104,451	105,276