Note 7 - Short-term Borrowings - Short-term Borrowings (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Customer repurchase agreements	$ 63,220	$ 370	[1]
Other short-term borrowings	25,000	100,531
Total short-term borrowings	$ 88,220	$ 100,901

[1] Derived from audited consolidated financial statements