LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Loan Aging Analysis by Portfolio Segment) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days Past Due	$ 4,473	$ 6,006
60-89 days Past Due	1,193	3,699
Greater Than 90 Days	15,854	18,123
Total Past Due	21,520	27,828
Current	1,581,039	1,536,038
Loans ending balance	1,602,559	1,563,866	1,536,464
Loans > 90 Days Past Due and Accruing	0	611
Non-Accrual Loans	20,436	22,483
Residential real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days Past Due	1,466	1,459
60-89 days Past Due	671	850
Greater Than 90 Days	6,857	8,410
Total Past Due	8,994	10,719
Current	560,527	561,454
Loans ending balance	569,521	572,173	569,823
Loans > 90 Days Past Due and Accruing		193
Non-Accrual Loans	8,624	10,584
Commercial real estate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days Past Due	1,916	896
60-89 days Past Due	337	2,227
Greater Than 90 Days	4,853	5,380
Total Past Due	7,106	8,503
Current	515,881	497,728
Loans ending balance	522,987	506,231	496,411
Loans > 90 Days Past Due and Accruing		138
Non-Accrual Loans	6,634	6,719
Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days Past Due	383	1,079
60-89 days Past Due	87	68
Greater Than 90 Days	2,637	2,969
Total Past Due	3,107	4,116
Current	186,961	186,338
Loans ending balance	190,068	190,454	182,428
Loans > 90 Days Past Due and Accruing		160
Non-Accrual Loans	3,233	3,409
Home equity loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days Past Due	527	2,230
60-89 days Past Due	57	355
Greater Than 90 Days	1,113	1,105
Total Past Due	1,697	3,690
Current	300,171	274,685
Loans ending balance	301,868	278,375	272,309
Loans > 90 Days Past Due and Accruing		118
Non-Accrual Loans	1,525	1,514
Consumer loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days Past Due	181	342
60-89 days Past Due	41	199
Greater Than 90 Days	394	259
Total Past Due	616	800
Current	17,499	15,833
Loans ending balance	18,115	16,633	15,493
Loans > 90 Days Past Due and Accruing		2
Non-Accrual Loans	$ 420	$ 257