LOANS (covered) - Covered Nonaccrual Loans (Details) (USD $)	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
	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-commercial	Sep. 30, 2014 Real estate-commercial	Dec. 31, 2013 Real estate-commercial	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 All other	Sep. 30, 2014 All other	Dec. 31, 2013 All other	Sep. 30, 2014 Covered Loans	Sep. 30, 2013 Covered Loans	Sep. 30, 2014 Covered Loans	Sep. 30, 2013 Covered Loans	Dec. 31, 2013 Covered Loans	Sep. 30, 2014 Covered Loans Commercial	Dec. 31, 2013 Covered Loans Commercial	Sep. 30, 2014 Covered Loans Real estate-commercial	Dec. 31, 2013 Covered Loans Real estate-commercial	Sep. 30, 2014 Covered Loans Installment	Dec. 31, 2013 Covered Loans Installment	Sep. 30, 2014 Covered Loans Home equity	Dec. 31, 2013 Covered Loans Home equity	Sep. 30, 2014 Covered Loans All other	Dec. 31, 2013 Covered Loans All other
Financing Receivable, Modifications [Line Items]
Nonaccrual loans	$ 41,646,000	$ 41,646,000	$ 37,605,000	$ 6,486,000	$ 6,486,000	$ 7,934,000	$ 25,262,000	$ 25,262,000	$ 17,286,000	$ 398,000	$ 398,000	$ 574,000	$ 2,581,000	$ 2,581,000	$ 2,982,000	$ 0	$ 0	$ 0	$ 4,604,000		$ 4,604,000		$ 3,787,000	$ 906,000	$ 540,000	$ 256,000	$ 1,349,000	$ 0	$ 5,000	$ 3,442,000	$ 1,893,000	$ 0	$ 0
Restructured loans - accrual status	13,369,000	13,369,000	15,094,000																70,000		70,000		335,000
Total impaired loans	55,015,000	55,015,000	52,699,000	9,657,000	9,657,000	12,225,000	30,403,000	30,403,000	23,993,000	415,000	415,000	642,000	3,110,000	3,110,000	3,309,000	0	0	0	4,674,000		4,674,000		4,122,000
Restructured Loans, Nonaccrual Status	13,200,000	13,200,000	13,000,000																900,000		900,000		900,000
Interest income effect
Gross amount of interest that would have been recorded under original terms																			72,000	81,000	201,000	334,000
Nonaccrual loans																			18,000	6,000	34,000	20,000
Financing Receivable, Impaired, Interest Income Recorded on Restructured Loans																			0	3,000	1,000	6,000
Interest income recognized	278,000	649,000	974,000	61,000	140,000	236,000	144,000	303,000	490,000	2,000	6,000	6,000	16,000	42,000	46,000	0	0	0	18,000	9,000	35,000	26,000
Net impact on interest income																			$ 54,000	$ 72,000	$ 166,000	$ 308,000