Note 14 - Federal and State Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Alternative minimum tax credits		$ 2,911
Historic tax credits	$ 68	1,937
Net unrealized losses on securities available for sale and derivative instruments	126	1,687
Compensation	8,433	6,772
Loan/lease losses	11,332	9,549
Net operating loss carryforwards, federal and state	739	849
Other	605	53
Deferred tax assets	21,303	23,758
Deferred tax liabilities:
Premises and equipment	4,616	2,717
Equipment financing leases	16,252	18,329
Acquisition fair value adjustments	3,963	2,739
Intended liquidation of bank-owned life insurance	850
Gain on sale of assets and liabilities of subsidiary	794
Investment accretion	28	31
Deferred loan origination fees, net	704	482
Other	832	424
Deferred tax liabilities	28,039	24,722
Net deferred tax liabilities	$ (6,736)	$ (964)