Note 13 - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Operating lease right-of-use assets	$ 59,906	$ 69,376
Operating lease liabilities - Current	17,623	19,327
Operating lease liabilities - Non-current	44,326	52,052
Total operating lease liabilities	61,949	71,379
Property and equipment, at cost	4,351	4,351
Accumulated depreciation	(3,370)	(3,010)
Property and equipment, at net	981	1,341
Finance lease liabilities - Current	521	516
Finance lease liabilities - Non-current	167	430
Total finance lease liabilities	$ 688	$ 946
Operating leases (Year)	3 years 10 months 9 days	4 years 2 months 4 days
Finance leases (Year)	5 months 1 day	11 months 1 day
Operating leases	6.80%	6.90%
Finance leases	6.00%	6.00%