Mergers and Acquisitions - Textual (Details) (Subsequent Event [Member], USD $)	0 Months Ended
	Jul. 04, 2014
Business Acquisition [Line Items]
Shares of voting common stock issued in connection with the Mergers	17,271,145
Percent of voting interests represented by shares issued in connection with Mergers	55.70%
VantageSouth [Member]
Business Acquisition [Line Items]
Common Stock Portion, number of Company stock for each share of common stock converted	0.3125
Piedmont Community Bank Holdings [Member]
Business Acquisition [Line Items]
Common Stock Portion, number of Company stock for each share of common stock converted	6.28597
Cash portion, cash per share for common stock converted	$ 6.6878
Common Stock Portion, number of Company stock held in a rabbi trust for assumed deferred compensation plan and contingent consideration	856,447