Note 12 - Leases - Net Book Value of Operating Lease Property (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Gross property and equipment leased	$ 113,008	$ 113,008
Accumulation depreciation	(21,308)	(18,493)
Net property and equipment leased	91,700	94,515
Land [Member]
Gross property and equipment leased	21,120	21,120
Land Improvements [Member]
Gross property and equipment leased	91,308	91,308
Building [Member]
Gross property and equipment leased	$ 580	$ 580