Note 20 - Stock-based Compensation - Unrecognized Stock-based Compensation Expense (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Remainder of 2023	$ 3,125
2024	2,625
2025	1,915
2026	1,065
2027	625
2028	55
Total estimated expense	9,410
Stock Appreciation Rights (SARs) [Member]
Remainder of 2023	302
2024	307
2025	248
2026	190
2027	111
2028	12
Total estimated expense	1,170
Restricted Stock [Member]
Remainder of 2023	1,209
2024	1,407
2025	1,182
2026	875
2027	514
2028	43
Total estimated expense	5,230
Restricted Stock Units (RSUs) [Member]
Remainder of 2023	408
2024	3
2025	0
2026	0
2027	0
2028	0
Total estimated expense	411
Performance Shares [Member]
Remainder of 2023	1,206
2024	908
2025	485
2026	0
2027	0
2028	0
Total estimated expense	$ 2,599