LOANS - Investment in Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended		9 Months Ended															9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Commercial	Sep. 30, 2014 Commercial	Dec. 31, 2013 Commercial	Sep. 30, 2014 Real estate-construction	Sep. 30, 2014 Real estate-construction	Dec. 31, 2013 Real estate-construction	Sep. 30, 2014 Real estate-commercial	Sep. 30, 2014 Real estate-commercial	Dec. 31, 2013 Real estate-commercial	Sep. 30, 2014 Real estate - residential	Sep. 30, 2014 Real estate - residential	Dec. 31, 2013 Real estate - residential	Sep. 30, 2014 Installment	Sep. 30, 2014 Installment	Dec. 31, 2013 Installment	Sep. 30, 2014 Home equity	Sep. 30, 2014 Home equity	Dec. 31, 2013 Home equity	Sep. 30, 2014 Other	Sep. 30, 2014 Other	Dec. 31, 2013 Other	Sep. 30, 2014 Non Covered Loans	Sep. 30, 2013 Non Covered Loans	Sep. 30, 2014 Non Covered Loans	Sep. 30, 2013 Non Covered Loans	Dec. 31, 2013 Non Covered Loans	Sep. 30, 2014 Non Covered Loans Commercial	Dec. 31, 2013 Non Covered Loans Commercial	Sep. 30, 2014 Non Covered Loans Real estate-construction	Dec. 31, 2013 Non Covered Loans Real estate-construction	Sep. 30, 2014 Non Covered Loans Real estate-commercial	Dec. 31, 2013 Non Covered Loans Real estate-commercial	Sep. 30, 2014 Non Covered Loans Real estate - residential	Dec. 31, 2013 Non Covered Loans Real estate - residential	Sep. 30, 2014 Non Covered Loans Installment	Dec. 31, 2013 Non Covered Loans Installment	Sep. 30, 2014 Non Covered Loans Other	Dec. 31, 2013 Non Covered Loans Other	Sep. 30, 2014 Loans with no related allowance recorded [member]	Dec. 31, 2013 Loans with no related allowance recorded [member]	Sep. 30, 2014 Loans with no related allowance recorded [member] Commercial	Dec. 31, 2013 Loans with no related allowance recorded [member] Commercial	Sep. 30, 2014 Loans with no related allowance recorded [member] Real estate-construction	Dec. 31, 2013 Loans with no related allowance recorded [member] Real estate-construction	Sep. 30, 2014 Loans with no related allowance recorded [member] Real estate-commercial	Dec. 31, 2013 Loans with no related allowance recorded [member] Real estate-commercial	Sep. 30, 2014 Loans with no related allowance recorded [member] Real estate - residential	Dec. 31, 2013 Loans with no related allowance recorded [member] Real estate - residential	Sep. 30, 2014 Loans with no related allowance recorded [member] Installment	Dec. 31, 2013 Loans with no related allowance recorded [member] Installment	Sep. 30, 2014 Loans with no related allowance recorded [member] Home equity	Dec. 31, 2013 Loans with no related allowance recorded [member] Home equity	Sep. 30, 2014 Loans with no related allowance recorded [member] Other	Dec. 31, 2013 Loans with no related allowance recorded [member] Other	Sep. 30, 2014 Impaired Financing Receivables With Related Allowance [Member]	Dec. 31, 2013 Impaired Financing Receivables With Related Allowance [Member]	Sep. 30, 2014 Impaired Financing Receivables With Related Allowance [Member] Commercial	Dec. 31, 2013 Impaired Financing Receivables With Related Allowance [Member] Commercial	Sep. 30, 2014 Impaired Financing Receivables With Related Allowance [Member] Real estate-construction	Dec. 31, 2013 Impaired Financing Receivables With Related Allowance [Member] Real estate-construction	Sep. 30, 2014 Impaired Financing Receivables With Related Allowance [Member] Real estate-commercial	Dec. 31, 2013 Impaired Financing Receivables With Related Allowance [Member] Real estate-commercial	Sep. 30, 2014 Impaired Financing Receivables With Related Allowance [Member] Real estate - residential	Dec. 31, 2013 Impaired Financing Receivables With Related Allowance [Member] Real estate - residential	Sep. 30, 2014 Impaired Financing Receivables With Related Allowance [Member] Installment	Dec. 31, 2013 Impaired Financing Receivables With Related Allowance [Member] Installment	Sep. 30, 2014 Impaired Financing Receivables With Related Allowance [Member] Home equity	Dec. 31, 2013 Impaired Financing Receivables With Related Allowance [Member] Home equity	Sep. 30, 2014 Impaired Financing Receivables With Related Allowance [Member] Other	Dec. 31, 2013 Impaired Financing Receivables With Related Allowance [Member] Other
Financing Receivable, Impaired [Line Items]
Current balance	$ 55,015	$ 55,015	$ 52,699	$ 9,657	$ 9,657	$ 12,225	$ 223	$ 223	$ 223	$ 30,403	$ 30,403	$ 23,993	$ 11,207	$ 11,207	$ 12,307	$ 415	$ 415	$ 642	$ 3,110	$ 3,110	$ 3,309	$ 0	$ 0	$ 0																		$ 38,336	$ 31,931	$ 6,581	$ 5,212	$ 223	$ 223	$ 19,031	$ 12,355	$ 9,077	$ 10,291	$ 415	$ 642	$ 3,009	$ 3,208	$ 0	$ 0	$ 16,679	$ 20,768	$ 3,076	$ 7,013	$ 0	$ 0	$ 11,372	$ 11,638	$ 2,130	$ 2,016	$ 0	$ 0	$ 101	$ 101	$ 0	$ 0
Contractual Principal Balance	65,383	65,383	65,765	11,265	11,265	15,436	443	443	443	36,437	36,437	30,855	12,710	12,710	14,159	459	459	663	4,069	4,069	4,209	0	0	0																		47,341	40,815	7,981	7,083	443	443	23,970	16,431	10,520	12,087	459	663	3,968	4,108	0	0	18,042	24,950	3,284	8,353	0	0	12,467	14,424	2,190	2,072	0	0	101	101	0	0
Related Allowance	4,510	4,510	5,302	802	802	2,080	0	0	0	3,338	3,338	2,872	368	368	348	0	0	0	2	2	2	0	0	0	4,510		4,510		5,302	802	2,080	0	0	3,338	2,872	368	348	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	4,510	5,302	802	2,080	0	0	3,338	2,872	368	348	0	0	2	2	0	0
Average current balance		50,371	70,991		10,789	15,759		223	1,325		24,156	37,661		11,572	12,222		512	463		3,119	3,246		0	315																		33,241	41,855	6,095	10,712	223	599	13,927	16,563	9,466	10,225	512	463	3,018	3,145	0	148	17,130	29,136	4,694	5,047	0	726	10,229	21,098	2,106	1,997	0	0	101	101	0	167
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	181	472	747	44	97	165	0	0	0	75	201	380	45	128	152	2	6	6	15	40	44	0	0	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	97	177	227	17	43	71	0	0	7	69	102	110	10	30	37	0	0	0	1	2	2	0	0	0
Interest income recognized	$ 278	$ 649	$ 974	$ 61	$ 140	$ 236	$ 0	$ 0	$ 7	$ 144	$ 303	$ 490	$ 55	$ 158	$ 189	$ 2	$ 6	$ 6	$ 16	$ 42	$ 46	$ 0	$ 0	$ 0	$ 278	$ 245	$ 649	$ 788