Note 19 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Expense	$ 942	$ 1,152
Deferred tax benefit	(197)	(243)
Total net expense	745	909
Stock Appreciation Rights (SARs) [Member]
Expense	69	99
Deferred tax benefit	(14)	(21)
Total net expense	55	78
Restricted Stock [Member]
Expense	420	412
Deferred tax benefit	(88)	(87)
Total net expense	332	325
Restricted Stock Units (RSUs) [Member]
Expense	124	132
Deferred tax benefit	(26)	(28)
Total net expense	98	104
Performance Shares [Member]
Expense	329	509
Deferred tax benefit	(69)	(107)
Total net expense	$ 260	$ 402