LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 2) (USD $) In Thousands, unless otherwise specified										3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Dec. 31, 2011 Commercial Real Estate [Member]	Dec. 31, 2011 Commercial and Industrial Loans [Member]	Dec. 31, 2011 Construction Loans [Member]	Dec. 31, 2011 Residential Real Estate [Member]	Dec. 31, 2011 Consumer Construction and development [Member]	Dec. 31, 2011 Home Equity Line Of Credit [Member]	Dec. 31, 2011 Consumer Loan [Member]	Sep. 30, 2011 Acquired Loans [Member]	Sep. 30, 2011 Acquired Loans [Member]	Sep. 30, 2011 Acquired Loans [Member] Commercial Real Estate [Member]	Sep. 30, 2011 Acquired Loans [Member] Commercial Real Estate [Member]	Sep. 30, 2011 Acquired Loans [Member] Commercial and Industrial Loans [Member]	Sep. 30, 2011 Acquired Loans [Member] Commercial and Industrial Loans [Member]	Sep. 30, 2011 Acquired Loans [Member] Construction Loans [Member]	Sep. 30, 2011 Acquired Loans [Member] Construction Loans [Member]	Sep. 30, 2011 Acquired Loans [Member] Residential Real Estate [Member]	Sep. 30, 2011 Acquired Loans [Member] Residential Real Estate [Member]	Sep. 30, 2011 Acquired Loans [Member] Consumer Loan [Member]	Sep. 30, 2011 Acquired Loans [Member] Consumer Loan [Member]	Sep. 30, 2012 Loans Originated By Company [Member]	Sep. 30, 2012 Loans Originated By Company [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Commercial Real Estate [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Commercial Real Estate [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Commercial and Industrial Loans [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Commercial and Industrial Loans [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Construction Loans [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Construction Loans [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Residential Real Estate [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Residential Real Estate [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Consumer Construction and development [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Consumer Construction and development [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Home Equity Line Of Credit [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Home Equity Line Of Credit [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Consumer Loan [Member]	Sep. 30, 2012 Loans Originated By Company [Member] Consumer Loan [Member]	Dec. 31, 2011 Predecessor [Member]	Dec. 31, 2011 Predecessor [Member] Loans Originated By Company [Member]	Sep. 30, 2012 Successor [Member] Loans Originated By Company [Member]
Allowance for loan losses
Beginning balance										$ 22,319	$ 20,702	$ 8,015	$ 5,345	$ 2,905	$ 2,689	$ 7,227	$ 9,775	$ 4,102	$ 2,813	$ 70	$ 80	$ 2,113		$ 626	$ 126	$ 378	$ 30	$ 289	$ 19	$ 458	$ 27	$ 29	$ 2	$ 331	$ 20	$ 2	$ 3		$ 227	$ 2,264
Charge-offs										(4,350)	(13,258)	(1,723)	(2,394)	(778)	(1,556)	(1,534)	(7,965)	(308)	(1,314)	(7)	(29)	(807)	(1,693)	0	0	0	(105)	0	(46)	0	(3)	0	0	(693)	(1,404)	(114)	(135)
Recoveries										180	646	37	37	21	83	99	447	22	77	1	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Provision for loan losses										4,452	14,511	1,357	4,698	433	1,365	1,944	5,479	684	2,924	34	45	958	3,730	65	565	82	535	52	368	253	687	(10)	17	397	1,419	119	139
Ending balance										22,601	22,601	7,686	7,686	2,581	2,581	7,736	7,736	4,500	4,500	98	98			691	691	460	460	341	341	711	711	19	19	35	35	7	7		227	2,264
Ending balance:
Individually evaluated for impairment		0	0	0	0	0	0	0	0	66,040	66,040	18,500	18,500	3,395	3,395	30,628	30,628	13,484	13,484	33	33	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Collectively evaluated for impairment			126	30	19	27	2	20	3	550,608	550,608	311,200	311,200	40,999	40,999	82,762	82,762	111,972	111,972	3,675	3,675	1,357	1,357	609	609	349	349	174	174	165	165	19	19	35	35	6	6	227
Purchased credit-impaired		0	0	0	0	0	0	0	0													907	907	82	82	111	111	167	167	546	546	0	0	0	0	1	1
Loans:
Recorded Investment	1,283	551,437	310,315	39,101	74,663	66,657	8,461	48,940	3,300													541,003	541,003	306,722	306,722	56,976	56,976	54,090	54,090	74,760	74,760	4,496	4,496	40,875	40,875	3,084	3,084
Ending balance:
Individually evaluated for impairment		0	0	0	0	0	0	0	0													1,283	1,283	464	464	0	0	0	0	0	0	0	0	819	819	0	0
Collectively evaluated for impairment		263,833	149,654	12,426	12,276	33,702	7,039	45,886	2,850													328,974	328,974	177,880	177,880	39,435	39,435	15,504	15,504	49,643	49,643	3,631	3,631	40,056	40,056	2,825	2,825
Purchased credit-impaired		$ 287,604	$ 160,661	$ 26,675	$ 62,387	$ 32,955	$ 1,422	$ 3,054	$ 450													$ 210,746	$ 210,746	$ 128,378	$ 128,378	$ 17,541	$ 17,541	$ 38,586	$ 38,586	$ 25,117	$ 25,117	$ 865	$ 865	$ 0	$ 0	$ 259	$ 259