Note 9 - Leases - Lease Cost (Details) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020
Operating right-of-use intangible assets, weighted average amortization period (Year)		25 years 8 months 12 days
Weighted-average remaining lease term, finance leases (Year)		2 years 3 months 18 days
Weighted-average discount rate, operating leases		6.62%
Weighted-average discount rate, finance leases		4.44%
Finance lease cost	[1]	$ 263	$ 0
Operating lease cost		8,562	7,782
Variable lease cost		2,520	2,104
Total lease cost		$ 11,345	$ 9,886

[1] Relates to interest expense on finance lease liabilities, which were acquired in connection with the Merger.