Note 19 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Expense	$ 922	$ 1,032	$ 2,872	$ 3,219
Deferred tax benefit	(194)	(216)	(604)	(676)
Total net expense	728	816	2,268	2,543
Stock Appreciation Rights (SARs) [Member]
Expense	72	105	212	310
Deferred tax benefit	(15)	(22)	(45)	(65)
Total net expense	57	83	167	245
Restricted Stock [Member]
Expense	420	399	1,258	1,204
Deferred tax benefit	(88)	(84)	(264)	(253)
Total net expense	332	315	994	951
Restricted Stock Units (RSUs) [Member]
Expense	125	126	374	392
Deferred tax benefit	(27)	(26)	(79)	(82)
Total net expense	98	100	295	310
Performance Shares [Member]
Expense	305	402	1,028	1,313
Deferred tax benefit	(64)	(84)	(216)	(276)
Total net expense	$ 241	$ 318	$ 812	$ 1,037