Note 19 - Stock-based Compensation - Unrecognized Stock-based Compensation Expense (Details) $ in Thousands	Mar. 31, 2022 USD ($)
Remainder of 2022	$ 3,173
2023	2,811
2024	1,765
2025	857
2026	466
2027	41
Total estimated expense	9,113
Stock Appreciation Rights (SARs) [Member]
Remainder of 2022	281
2023	309
2024	202
2025	143
2026	86
2027	9
Total estimated expense	1,030
Restricted Stock [Member]
Remainder of 2022	1,048
2023	1,197
2024	960
2025	714
2026	380
2027	32
Total estimated expense	4,331
Restricted Stock Units (RSUs) [Member]
Remainder of 2022	263
2023	2
2024	0
2025	0
2026	0
2027	0
Total estimated expense	265
Performance Shares [Member]
Remainder of 2022	1,581
2023	1,303
2024	603
2025	0
2026	0
2027	0
Total estimated expense	$ 3,487