MERGERS AND ACQUISITIONS Pro Forma Information (Details) (East Carolina Bancorp, Inc, USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
East Carolina Bancorp, Inc
Business Acquisition [Line Items]
Net interest income	$ 78,106	$ 74,939
Net income (loss)	(199)	12,634
Net income (loss) available to common stockholders	$ (2,957)	$ 10,103
Net income (loss) per common share - basic (in dollars per share)	$ (0.06)	$ 0.22
Net income (loss) per common share - diluted (in dollars per share)	$ (0.06)	$ 0.22
Weighted average basic common shares outstanding (in shares)	45,967,683	45,823,430
Weighted average diluted common shares outstanding (in shares)	45,967,683	45,913,783