Note 18 - Supplemental Cash Flow Information - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash and due from banks	$ 44,607	$ 34,460
Interest-bearing deposits in other banks	206,998	20,454
Cash and Cash Equivalents	251,605	54,914
Interest on deposits and borrowed funds	7,193	6,583
Income taxes	4,036	1,532
Transfer of loans to other real estate owned	47	181
Transfer of loans to repossessions	362	0
Transfer from premises and equipment to other assets	0	445
Increase in operating lease right-of-use asset	0	4,413
Increase in operating lease liability	0	4,413
Unrealized gains on securities available for sale	7,034	7,935
Unrealized losses on cash flow hedges	(2,958)	(1,811)
Assets acquired:
Investment securities	0	34,876
Restricted stock	0	2,588
Loans	0	444,324
Premises and equipment	0	12,554
Deferred income taxes	0	2,329
Core deposit intangible	0	8,200
Other real estate owned	0	1,442
Bank owned life insurance	0	8,246
Other assets	0	14,244
Liabilities assumed:
Deposits	0	483,626
Short-term FHLB advances	0	14,883
Long-term FHLB advances	0	778
Subordinated debt	0	7,530
Other liabilities	0	5,780
Consideration:
Issuance of common stock	0	82,470
Fair value of replacement stock options/restricted stock	$ 0	$ 753