Note 22 - Leases - Lessee's Total Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Lease cost
Amortization of right-of-use assets	$ 3,265	$ 3,422	$ 3,273
Interest on lease liabilities	770	1,226	1,330
Operating lease cost	3,707	3,303	8,057
Variable lease cost	2,368	1,891	1,647
Short-term lease cost	0	0	0
Total lease cost	10,110	9,842	14,307
Operating cash flows for finance leases	770	1,226	1,330
Operating cash flows for operating leases	3,589	3,213	9,004
Financing cash flows for finance leases	3,181	2,890	3,164
Right-of-use assets obtained in exchange for new finance lease liabilities	948	1,028	5,262
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 5,227	$ 2,614	$ 6,364
Weighted-average remaining lease term — finance leases (in years) (Year)	2 years 9 months 18 days	5 years 2 months 12 days
Weighted-average remaining lease term — operating leases (in years) (Year)	17 years 1 month 6 days	10 years 8 months 12 days
Weighted-average discount rate — finance leases (in percentage)	3.00%	5.00%
Weighted-average discount rate — operating leases (in percentage)	5.00%	5.00%