Note 28 - Parent Company Financial Statements (Details) - Condensed Statements of Cash Flows - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating activities:
Net income		$ 8,586	$ 5,727	$ 7,935
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease (increase) other assets		507	(946)	(5,145)
Increase (decrease) other liabilities		(1,255)	2,398	4,971
Net cash provided by operating activities		10,300	14,014	9,928
Investing activities:
Proceeds from settlement of note to former mortgage subsidiary	$ 686	686	686
Net cash provided by investing activities		(30,293)	(45,921)	34,429
Financial activities:
Debt issuance costs paid net of amortization		(223)
Redemption of preferred stock		(20,000)
Preferred stock extinguishment costs		(33)
Cash dividends paid on preferred stock		(189)	(200)	(347)
Cash dividends paid on common stock		(1,601)	(1,626)	(2,112)
Proceeds from stock options exercised		156	23	17
Stock issued under employee/director purchase plan		36	66
Repayment of junior subordinated debentures			(4,629)
Repurchase of common stock			(4,562)	(10,614)
Net cash used in financing activities		12,763	31,814	(30,910)
Changes in cash and cash equivalents		(7,230)	(93)	13,447
Parent Company [Member]
Operating activities:
Net income		8,586	5,727	7,935
Adjustments to reconcile net income to net cash provided by operating activities:
Compensation associated with stock options		1	1	1
Gain on termination of debt			(406)
(Deficit) equity in undistributed net income of subsidiaries		(6,564)	2,564	3,613
Decrease (increase) other assets		371	1,209	(257)
Increase (decrease) other liabilities		193	(11)
Net cash provided by operating activities		2,587	9,084	11,292
Investing activities:
Promissory note repayments			292	1,230
Proceeds from settlement of note to former mortgage subsidiary			686
Net cash provided by investing activities			978	1,230
Financial activities:
Advances of term debt		20,000
Repayment of term debt		(83)
Debt issuance costs paid net of amortization		(223)
Redemption of preferred stock		(20,000)
Preferred stock extinguishment costs		(33)
Cash dividends paid on preferred stock		(189)	(200)	(347)
Cash dividends paid on common stock		(1,601)	(1,626)	(2,112)
Proceeds from stock options exercised		156	23	17
Stock issued under employee/director purchase plan		36	66
Repayment of junior subordinated debentures			(4,629)
Repurchase of common stock			(4,562)	(10,614)
Net cash used in financing activities		(1,937)	(10,928)	(13,056)
Changes in cash and cash equivalents		650	(866)	(534)
Cash and cash equivalents, beginning of year		335	1,201	1,735
Cash and cash equivalents, end of year		$ 985	$ 335	$ 1,201