Note 7 - FDIC Indemnification Asset - Changes in Receivable From FDIC (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020		Mar. 31, 2019
Beginning balance	$ 2,883	[1]	$ 5,108
Reimbursable expenses to the FDIC
Net FDIC indemnification asset amortization	(486)		(552)
Payments to the FDIC	36		22
Ending balance	$ 2,433		$ 4,578

[1] Derived from audited financial statements