Note 13 - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Operating lease right-of-use assets	$ 56,775	$ 69,376
Operating lease liabilities - Current	17,825	19,327
Operating lease liabilities - Non-current	41,176	52,052
Total operating lease liabilities	59,001	71,379
Property and equipment, at cost	4,130	4,351
Accumulated depreciation	(3,485)	(3,010)
Property and equipment, at net	645	1,341
Finance lease liabilities - Current	519	516
Finance lease liabilities - Non-current	40	430
Total finance lease liabilities	$ 559	$ 946
Operating leases (Year)	3 years 8 months 4 days	4 years 2 months 4 days
Finance leases (Year)	2 months 1 day	11 months 1 day
Operating leases	7.00%	6.90%
Finance leases	6.00%	6.00%