Note 19 - Stock-based Compensation - Unrecognized Stock-based Compensation Expense (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Remainder of 2024	$ 1,851
2025	2,868
2026	2,532
2027	1,088
2028	565
2029	46
Total estimated future expense	8,950
Stock Appreciation Rights (SARs) [Member]
Remainder of 2024	190
2025	336
2026	286
2027	216
2028	126
2029	11
Total estimated future expense	1,165
Restricted Stock [Member]
Remainder of 2024	844
2025	1,488
2026	1,203
2027	872
2028	439
2029	35
Total estimated future expense	4,881
Restricted Stock Units (RSUs) [Member]
Remainder of 2024	251
2025	1
2026	0
2027	0
2028	0
2029	0
Total estimated future expense	252
Performance Shares [Member]
Remainder of 2024	566
2025	1,043
2026	1,043
2027	0
2028	0
2029	0
Total estimated future expense	$ 2,652