Note 26 - Quarterly Financial Data (Unaudited) (Details) - Quarterly Financial Data (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 26 - Quarterly Financial Data (Unaudited) (Details) - Quarterly Financial Data (Unaudited) [Line Items]
Interest income	$ 58,274	$ 62,866	$ 67,644
Net interest income	52,100	54,492	54,672
Income before federal income taxes	17,368	14,790	7,457
Net income	12,234	10,534	5,623
Preferred stock dividends	481	1,275	1,679
Net income available to common shareholders	11,753	9,259	3,944
Basic earnings per common share (in Dollars per share)	$ 1.46	$ 1.17	$ 0.50
Diluted earnings per common share (in Dollars per share)	$ 1.45	$ 1.16	$ 0.50
First Quarter [Member]
Note 26 - Quarterly Financial Data (Unaudited) (Details) - Quarterly Financial Data (Unaudited) [Line Items]
Interest income	14,672	16,126
Net interest income	13,012	13,766
Income before federal income taxes	4,028	3,440
Net income	2,863	2,417
Preferred stock dividends	213	420
Net income available to common shareholders	2,650	1,997
Basic earnings per common share (in Dollars per share)	$ 0.33	$ 0.25
Diluted earnings per common share (in Dollars per share)	$ 0.33	$ 0.25
Second Quarter [Member]
Note 26 - Quarterly Financial Data (Unaudited) (Details) - Quarterly Financial Data (Unaudited) [Line Items]
Interest income	14,751	16,020
Net interest income	13,191	13,838
Income before federal income taxes	4,705	3,342
Net income	3,343	2,404
Preferred stock dividends	268	420
Net income available to common shareholders	3,075	1,984
Basic earnings per common share (in Dollars per share)	$ 0.38	$ 0.25
Diluted earnings per common share (in Dollars per share)	$ 0.38	$ 0.25
Third Quarter [Member]
Note 26 - Quarterly Financial Data (Unaudited) (Details) - Quarterly Financial Data (Unaudited) [Line Items]
Interest income	14,383	15,574
Net interest income	12,855	13,542
Income before federal income taxes	4,094	3,765
Net income	2,869	2,715
Preferred stock dividends	0	220
Net income available to common shareholders	2,869	2,495
Basic earnings per common share (in Dollars per share)	$ 0.36	$ 0.32
Diluted earnings per common share (in Dollars per share)	$ 0.35	$ 0.31
Fourth Quarter [Member]
Note 26 - Quarterly Financial Data (Unaudited) (Details) - Quarterly Financial Data (Unaudited) [Line Items]
Interest income	14,468	15,146
Net interest income	13,042	13,346
Income before federal income taxes	4,541	4,243
Net income	3,159	2,998
Preferred stock dividends	0	215
Net income available to common shareholders	$ 3,159	$ 2,783
Basic earnings per common share (in Dollars per share)	$ 0.39	$ 0.35
Diluted earnings per common share (in Dollars per share)	$ 0.39	$ 0.35