Mergers and Acquisition Mergers and Acquisitions-Pro Forma (Details) (First M&F Merger [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
First M&F Merger [Member]
Business Acquisition [Line Items]
Interest income	$ 165,592	$ 171,897
Interest expense	21,845	28,421
Net interest income	143,747	143,476
Provision for loan losses	11,030	20,665
Noninterest income	62,833	67,702
Noninterest expense	163,993	157,927
Income before income taxes	31,557	32,586
Income taxes	6,576	5,666
Net income	$ 24,981	$ 26,920
Pro Forma Earnings Per Share, Basic (usd per share)	$ 0.80	$ 0.82
Pro Forma Earnings Per Share, Diluted (usd per share)	$ 0.79	$ 0.81