Consolidated Statements of Stockholders’ Equity (Parentheticals) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2014	Sep. 30, 2015	Sep. 30, 2014
Exercise of stock options, shares		65,418
Stock issued for acquisition – shares		65,850
Common Stock [Member]
Stock issued as bonus, shares	41,250	56,600	92,630
Vesting bonus shares, net of forfeitures	1,560	9,500	1,560
Stock issued for employee stock purchase plan		6,528	4,897
Exercise of stock options, shares	19,560	65,418	45,160
Securities exchanged under stock option plan	674	3,290	4,546
Additional Paid-in Capital [Member]
Change in unrealized depreciation on available-for-sale securities, net of income taxes (in Dollars)	$ 397	$ 2,617	$ 678
AOCI Attributable to Parent [Member]
Cash dividends, per share (in Dollars per share)	$ 0.22	$ 0.69	$ 0.66
Delta Trust [Member] | Common Stock [Member]
Stock issued for acquisition – shares			1,629,515
Community First Bancshares, Inc. [Member] | Preferred Stock [Member]
Stock issued for acquisition – shares		30,852
Community First Bancshares, Inc. [Member] | Common Stock [Member]
Stock issued for acquisition – shares		6,552,916
Liberty [Member] | Common Stock [Member]
Stock issued for acquisition – shares		5,181,337