Mergers and Acquisitions-Pro Forma (Details) (First M&F Merger, USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
First M&F Merger
Business Acquisition [Line Items]
Interest income	$ 54,792	$ 165,592
Interest expense	6,551	21,845
Net interest income	48,241	143,747
Provision for loan losses	2,320	11,030
Noninterest income	19,850	62,833
Noninterest expense	59,873	163,993
Income before income taxes	5,898	31,557
Income taxes	(70)	6,576
Net income	$ 5,968	$ 24,981
Pro Forma Earnings Per Share, Basic (usd per share)	$ 0.19	$ 0.80
Pro Forma Earnings Per Share, Diluted (usd per share)	$ 0.19	$ 0.79