Note 14 - Variable Interest Entities - Consolidated VIEs (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash and cash equivalents	$ 50,068	$ 50,567
Receivables	141,798	68,392
Other investments, at fair value	37,558	56,033
Investment in equity method affiliates	14,369	48,238	$ 13,482
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents	49	43
Receivables	0	0
Other investments, at fair value	652	9,543
Investment in equity method affiliates	3,648	33,080
Non-controlling interest	(4,701)	(29,979)
Investment in consolidated VIEs	$ 352	$ 12,687