Note 19 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Expense	$ 1,121	$ 1,008	$ 2,274	$ 1,950
Deferred tax benefit	(234)	(213)	(478)	(410)
Total net expense	887	795	1,796	1,540
Stock Appreciation Rights (SARs) [Member]
Expense	112	72	215	140
Deferred tax benefit	(23)	(16)	(45)	(30)
Total net expense	89	56	170	110
Restricted Stock [Member]
Expense	489	418	939	838
Deferred tax benefit	(102)	(88)	(197)	(176)
Total net expense	387	330	742	662
Restricted Stock Units (RSUs) [Member]
Expense	135	125	267	249
Deferred tax benefit	(28)	(26)	(56)	(52)
Total net expense	107	99	211	197
Performance Shares [Member]
Expense	385	393	853	723
Deferred tax benefit	(81)	(83)	(180)	(152)
Total net expense	$ 304	$ 310	$ 673	$ 571