BORROWINGS - Junior Subordinated Debentures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Nov. 30, 2007	Aug. 31, 2003
London Interbank Offered Rate (LIBOR) | Trust Preferred Securities | Crescent Financial Capital Trust I
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Debt instrument, basis spread on variable rate	3.10%
London Interbank Offered Rate (LIBOR) | Trust Preferred Securities | American Community Capital Trust II, Ltd
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Debt instrument, basis spread on variable rate	2.80%
London Interbank Offered Rate (LIBOR) | Trust Preferred Securities | Yadkin Valley Statutory Trust I
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Debt instrument, basis spread on variable rate	1.32%
Maturing October 7, 2033
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Subordinated term loan	$ 25,786	$ 25,056
Maturing December 15, 2033
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Subordinated term loan	6,997	6,853
Maturing December 15, 2037
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Subordinated term loan	$ 12,904	$ 12,503
Trust Preferred Securities Subject to Mandatory Redemption
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Financial instruments subject to mandatory redemption, settlement terms, fair value of shares			$ 10,000	$ 25,000	$ 8,000