Note 19 - Stock-based Compensation - Unrecognized Stock-based Compensation Expense (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Remainder of 2023	$ 2,048
2024	2,607
2025	1,900
2026	1,053
2027	618
2028	54
Total estimated expense	8,280
Stock Appreciation Rights (SARs) [Member]
Remainder of 2023	197
2024	307
2025	248
2026	190
2027	111
2028	12
Total estimated expense	1,065
Restricted Stock [Member]
Remainder of 2023	798
2024	1,389
2025	1,167
2026	863
2027	507
2028	42
Total estimated expense	4,766
Restricted Stock Units (RSUs) [Member]
Remainder of 2023	250
2024	3
2025	0
2026	0
2027	0
2028	0
Total estimated expense	253
Performance Shares [Member]
Remainder of 2023	803
2024	908
2025	485
2026	0
2027	0
2028	0
Total estimated expense	$ 2,196