Note 18 - Stock-based Compensation - Performance-based Restricted Stock Units (Details) - $ / shares		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
PSU, shares expected to be awarded (in shares)	[1]	1,037,000
Performance Shares [Member]
PSU, vesting period in years (Year)		3 years
Performance Shares [Member] | Executive Officer [Member]
PSU, vesting period in years (Year)		3 years	3 years	3 years
Granted, weighted average fair value (in dollars per share)		$ 41.84	$ 54.33	$ 48.48
PSU, shares expected to be awarded (in shares)		86,136	18,762	10,385

[1] Under the 2015 Omnibus Equity Compensation Plan, shares of stock are authorized for issuance as incentive and non-qualified stock options, SARs, RSAs, and RSUs.