LOANS (excluding covered loans) - Investment in Impaired Loans (Details) (Non Covered Loans, USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Financing Receivable, Impaired [Line Items]
Recorded Investment	$ 45,025		$ 45,025		$ 52,699
Contractual Principal Balance	54,122		54,122		65,765
Related Allowance	3,236		3,236		5,302
Average Recorded Investment			48,820		70,991
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	41		80		227
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	146		291		747
Interest income recognized	187	228	371	543	974
Commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	10,255		10,255		12,225
Contractual Principal Balance	12,117		12,117		15,436
Related Allowance	775		775		2,080
Average Recorded Investment			11,166		15,759
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	17		26		71
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	29		53		165
Interest income recognized	46		79		236
Real estate-construction
Financing Receivable, Impaired [Line Items]
Recorded Investment	223		223		223
Contractual Principal Balance	443		443		443
Related Allowance	0		0		0
Average Recorded Investment			223		1,325
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0		0		7
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0		0		0
Interest income recognized	0		0		7
Real estate-commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	20,249		20,249		23,993
Contractual Principal Balance	25,076		25,076		30,855
Related Allowance	2,091		2,091		2,872
Average Recorded Investment			22,073		37,661
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	14		33		110
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	61		126		380
Interest income recognized	75		159		490
Real estate - residential
Financing Receivable, Impaired [Line Items]
Recorded Investment	10,750		10,750		12,307
Contractual Principal Balance	11,925		11,925		14,159
Related Allowance	368		368		348
Average Recorded Investment			11,692		12,222
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	10		20		37
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	41		83		152
Interest income recognized	51		103		189
Installment
Financing Receivable, Impaired [Line Items]
Recorded Investment	524		524		642
Contractual Principal Balance	550		550		663
Related Allowance	0		0		0
Average Recorded Investment			544		463
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0		0		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	2		4		6
Interest income recognized	2		4		6
Home equity
Financing Receivable, Impaired [Line Items]
Recorded Investment	3,024		3,024		3,309
Contractual Principal Balance	4,011		4,011		4,209
Related Allowance	2		2		2
Average Recorded Investment			3,122		3,246
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0		1		2
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	13		25		44
Interest income recognized	13		26		46
Other Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	0		0		0
Contractual Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment			0		315
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0		0		0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0		0		0
Interest income recognized	0		0		0
Impaired Financing Receivables With Related Allowance [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	12,531		12,531		20,768
Contractual Principal Balance	13,922		13,922		24,950
Related Allowance	3,236		3,236		5,302
Average Recorded Investment			17,279		29,136
Impaired Financing Receivables With Related Allowance [Member] | Commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	2,872		2,872		7,013
Contractual Principal Balance	3,068		3,068		8,353
Related Allowance	775		775		2,080
Average Recorded Investment			5,233		5,047
Impaired Financing Receivables With Related Allowance [Member] | Real estate-construction
Financing Receivable, Impaired [Line Items]
Recorded Investment	0		0		0
Contractual Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment			0		726
Impaired Financing Receivables With Related Allowance [Member] | Real estate-commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	7,427		7,427		11,638
Contractual Principal Balance	8,552		8,552		14,424
Related Allowance	2,091		2,091		2,872
Average Recorded Investment			9,848		21,098
Impaired Financing Receivables With Related Allowance [Member] | Real estate - residential
Financing Receivable, Impaired [Line Items]
Recorded Investment	2,131		2,131		2,016
Contractual Principal Balance	2,201		2,201		2,072
Related Allowance	368		368		348
Average Recorded Investment			2,097		1,997
Impaired Financing Receivables With Related Allowance [Member] | Installment
Financing Receivable, Impaired [Line Items]
Recorded Investment	0		0		0
Contractual Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment			0		0
Impaired Financing Receivables With Related Allowance [Member] | Home equity
Financing Receivable, Impaired [Line Items]
Recorded Investment	101		101		101
Contractual Principal Balance	101		101		101
Related Allowance	2		2		2
Average Recorded Investment			101		101
Impaired Financing Receivables With Related Allowance [Member] | Other Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	0		0		0
Contractual Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment			0		167
Loans with no related allowance recorded [member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	32,494		32,494		31,931
Contractual Principal Balance	40,200		40,200		40,815
Related Allowance	0		0		0
Average Recorded Investment			31,541		41,855
Loans with no related allowance recorded [member] | Commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	7,383		7,383		5,212
Contractual Principal Balance	9,049		9,049		7,083
Related Allowance	0		0		0
Average Recorded Investment			5,933		10,712
Loans with no related allowance recorded [member] | Real estate-construction
Financing Receivable, Impaired [Line Items]
Recorded Investment	223		223		223
Contractual Principal Balance	443		443		443
Related Allowance	0		0		0
Average Recorded Investment			223		599
Loans with no related allowance recorded [member] | Real estate-commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	12,822		12,822		12,355
Contractual Principal Balance	16,524		16,524		16,431
Related Allowance	0		0		0
Average Recorded Investment			12,225		16,563
Loans with no related allowance recorded [member] | Real estate - residential
Financing Receivable, Impaired [Line Items]
Recorded Investment	8,619		8,619		10,291
Contractual Principal Balance	9,724		9,724		12,087
Related Allowance	0		0		0
Average Recorded Investment			9,595		10,225
Loans with no related allowance recorded [member] | Installment
Financing Receivable, Impaired [Line Items]
Recorded Investment	524		524		642
Contractual Principal Balance	550		550		663
Related Allowance	0		0		0
Average Recorded Investment			544		463
Loans with no related allowance recorded [member] | Home equity
Financing Receivable, Impaired [Line Items]
Recorded Investment	2,923		2,923		3,208
Contractual Principal Balance	3,910		3,910		4,108
Related Allowance	0		0		0
Average Recorded Investment			3,021		3,145
Loans with no related allowance recorded [member] | Other Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	0		0		0
Contractual Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment			$ 0		$ 148