LOANS Credit Quality (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	$ 5,333,268	$ 5,226,552
Percent Total Loans and Leases Performing Pass Rated	95.45%	93.31%
Percent Total Loans and Leases Performing Special Mention Loans	0.96%	1.69%
Percent Total Loans and Leases Performing Classified	2.60%	3.97%
Percent Total Loans and Leases Non Performing	0.99%	1.03%
Percent of Total Loans and Leases	100.00%	100.00%
Overdrafts included in loan balances	1,053	1,201
Costs, net of fees	5,803	5,020
Loans and Leases Receivable, Direct finance leases	228	1,568
Performing Financing Receivable [Member] | Pass Rated Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	5,090,493	4,876,890
Performing Financing Receivable [Member] | Special Mention Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	51,186	88,369
Performing Financing Receivable [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	138,998	207,385
Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	52,591	53,908
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	2,460,664	2,495,855
Commercial and Industrial [Member] | Performing Financing Receivable [Member] | Pass Rated Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	2,327,344	2,282,734
Commercial and Industrial [Member] | Performing Financing Receivable [Member] | Special Mention Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	38,873	60,809
Commercial and Industrial [Member] | Performing Financing Receivable [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	79,179	126,195
Commercial and Industrial [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	15,268	26,117
CRE - Permanent [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	994,838	907,760
CRE - Permanent [Member] | Performing Financing Receivable [Member] | Pass Rated Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	944,589	836,212
CRE - Permanent [Member] | Performing Financing Receivable [Member] | Special Mention Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	9,191	19,469
CRE - Permanent [Member] | Performing Financing Receivable [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	36,272	46,208
CRE - Permanent [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	4,786	5,871
CRE - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	198,334	125,878
CRE - Construction [Member] | Performing Financing Receivable [Member] | Pass Rated Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	167,710	85,085
CRE - Construction [Member] | Performing Financing Receivable [Member] | Special Mention Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	2,962	6,351
CRE - Construction [Member] | Performing Financing Receivable [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	15,534	28,996
CRE - Construction [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	12,128	5,446
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	1,193,172	1,033,638
Commercial Real Estate [Member] | Performing Financing Receivable [Member] | Pass Rated Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	1,112,299	921,297
Commercial Real Estate [Member] | Performing Financing Receivable [Member] | Special Mention Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	12,153	25,820
Commercial Real Estate [Member] | Performing Financing Receivable [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	51,806	75,204
Commercial Real Estate [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	16,914	11,317
Residential Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	652,225	671,772
Residential Mortgages [Member] | Performing Financing Receivable [Member] | Pass Rated Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	636,829	661,226
Residential Mortgages [Member] | Performing Financing Receivable [Member] | Special Mention Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	0	0
Residential Mortgages [Member] | Performing Financing Receivable [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	2,243	38
Residential Mortgages [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	13,153	10,508
Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	762,608	754,386
Home Equity [Member] | Performing Financing Receivable [Member] | Pass Rated Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	757,064	749,459
Home Equity [Member] | Performing Financing Receivable [Member] | Special Mention Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	0	0
Home Equity [Member] | Performing Financing Receivable [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	137	666
Home Equity [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	5,407	4,261
All Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	264,599	270,901
All Other Consumer [Member] | Performing Financing Receivable [Member] | Pass Rated Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	256,957	262,174
All Other Consumer [Member] | Performing Financing Receivable [Member] | Special Mention Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	160	1,740
All Other Consumer [Member] | Performing Financing Receivable [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	5,633	5,282
All Other Consumer [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	1,849	1,705
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	1,679,432	1,697,059
Consumer [Member] | Performing Financing Receivable [Member] | Pass Rated Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	1,650,850	1,672,859
Consumer [Member] | Performing Financing Receivable [Member] | Special Mention Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	160	1,740
Consumer [Member] | Performing Financing Receivable [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	8,013	5,986
Consumer [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	$ 20,409	$ 16,474