MERGERS AND ACQUISITIONS - Pro Forma Results (Details) (Crescent Financial Bancshares [Member], East Carolina Bancorp [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012
Crescent Financial Bancshares [Member] | East Carolina Bancorp [Member]
Business Acquisition [Line Items]
Net interest income	$ 18,552	$ 38,389	$ 37,499
Net income (loss)	1,994	(5,252)	4,074
Net income (loss) available to common stockholders	$ 1,361	$ (6,591)	$ 2,810
Basic income (loss) per common share (in dollars per share)	$ 0.03	$ (0.14)	$ 0.06
Diluted income (loss) per common share (in dollars per share)	$ 0.03	$ (0.14)	$ 0.06
Weighted average basic common shares outstanding (in shares)	$ 45,840,378	$ 45,895,953	$ 45,628,706
Weighted average diluted common shares outstanding (in shares)	$ 45,986,363	$ 45,895,953	$ 45,650,986