FAIR VALUE MEASUREMENT (Schedule of Carrying Amounts and Estimated Fair Value for Financial Instrument Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014		Dec. 31, 2013
Financial assets:
Cash and due from banks	$ 59,450		$ 51,355
Available-for-sale Securities	771,806		808,477
Held-to-maturity securities, at amortized cost	11,490		0
Held-to-maturity Securities, Fair Value	11,659
FHLB and Federal Reserve Bank stock	20,379		19,724
Trading account assets	2,418		2,488
Mortgage servicing rights	1,526	[1]	1,494	[1]
Interest receivable	6,162		5,808
Investments in CCTA and UBCT	1,331		1,331
Customer interest rate swap agreements	506		114
Financial liabilities:
Deposits	1,930,182		1,817,199
FHLB advances	58,244		59,118
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	31,591		32,038
Other borrowed funds	411,125		400,144
Junior subordinated debentures	43,998		43,922
Interest payable	510		567
Interest rate swap agreements	6,969		3,911
Customer interest rate swap agreements	506		114
Residential real estate loans
Financial assets:
Loans receivable, net of allowance	580,261		577,153
Commercial real estate loans
Financial assets:
Loans receivable, net of allowance	604,195		535,961
Commercial loans
Financial assets:
Loans receivable, net of allowance	235,131		171,432
Home equity loans
Financial assets:
Loans receivable, net of allowance	270,112		271,041
Consumer loans
Financial assets:
Loans receivable, net of allowance	18,005		17,662
Readily Available Market Prices (Level 1)
Financial assets:
Cash and due from banks	59,450		51,355
Available-for-sale Securities	0		0
Held-to-maturity Securities, Fair Value	0
FHLB and Federal Reserve Bank stock	20,379		19,724
Trading account assets	2,418		2,488
Mortgage servicing rights	0	[1]	0	[1]
Interest receivable	0		0
Investments in CCTA and UBCT	0		0
Customer interest rate swap agreements	0		0
Financial liabilities:
Deposits	1,389,977		1,324,221
FHLB advances	0		0
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	0		0
Other borrowed funds	411,125		400,144
Junior subordinated debentures	0		0
Interest payable	510		567
Interest rate swap agreements	0		0
Customer interest rate swap agreements	0		0
Readily Available Market Prices (Level 1) | Residential real estate loans
Financial assets:
Loans receivable, net of allowance	0		0
Readily Available Market Prices (Level 1) | Commercial real estate loans
Financial assets:
Loans receivable, net of allowance	0		0
Readily Available Market Prices (Level 1) | Commercial loans
Financial assets:
Loans receivable, net of allowance	0		0
Readily Available Market Prices (Level 1) | Home equity loans
Financial assets:
Loans receivable, net of allowance	0		0
Readily Available Market Prices (Level 1) | Consumer loans
Financial assets:
Loans receivable, net of allowance	0		0
Observable Market Data (Level 2)
Financial assets:
Cash and due from banks	0		0
Available-for-sale Securities	771,806		808,477
Held-to-maturity Securities, Fair Value	11,659
FHLB and Federal Reserve Bank stock	0		0
Trading account assets	0		0
Mortgage servicing rights	1,526	[1]	1,494	[1]
Interest receivable	6,162		5,808
Investments in CCTA and UBCT	0		0
Customer interest rate swap agreements	506		114
Financial liabilities:
Deposits	540,205		492,978
FHLB advances	58,244		59,118
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	31,591		32,038
Other borrowed funds	0		0
Junior subordinated debentures	43,998		43,922
Interest payable	0		0
Interest rate swap agreements	6,969		3,911
Customer interest rate swap agreements	506		114
Observable Market Data (Level 2) | Residential real estate loans
Financial assets:
Loans receivable, net of allowance	0		0
Observable Market Data (Level 2) | Commercial real estate loans
Financial assets:
Loans receivable, net of allowance	0		0
Observable Market Data (Level 2) | Commercial loans
Financial assets:
Loans receivable, net of allowance	0		0
Observable Market Data (Level 2) | Home equity loans
Financial assets:
Loans receivable, net of allowance	0		0
Observable Market Data (Level 2) | Consumer loans
Financial assets:
Loans receivable, net of allowance	0		0
Company Determined Fair Value (Level 3)
Financial assets:
Cash and due from banks	0		0
Available-for-sale Securities	0		0
Held-to-maturity Securities, Fair Value	0
FHLB and Federal Reserve Bank stock	0		0
Trading account assets	0		0
Mortgage servicing rights	0	[1]	0	[1]
Interest receivable	0		0
Investments in CCTA and UBCT	1,331		1,331
Customer interest rate swap agreements	0		0
Financial liabilities:
Deposits	0		0
FHLB advances	0		0
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	0		0
Other borrowed funds	0		0
Junior subordinated debentures	0		0
Interest payable	0		0
Interest rate swap agreements	0		0
Customer interest rate swap agreements	0		0
Company Determined Fair Value (Level 3) | Residential real estate loans
Financial assets:
Loans receivable, net of allowance	580,261		577,153
Company Determined Fair Value (Level 3) | Commercial real estate loans
Financial assets:
Loans receivable, net of allowance	604,195		535,961
Company Determined Fair Value (Level 3) | Commercial loans
Financial assets:
Loans receivable, net of allowance	235,131		171,432
Company Determined Fair Value (Level 3) | Home equity loans
Financial assets:
Loans receivable, net of allowance	270,112		271,041
Company Determined Fair Value (Level 3) | Consumer loans
Financial assets:
Loans receivable, net of allowance	18,005		17,662
Carrying Amount
Financial assets:
Cash and due from banks	59,450		51,355
Available-for-sale Securities	771,806		808,477
Held-to-maturity securities, at amortized cost	11,490
FHLB and Federal Reserve Bank stock	20,379		19,724
Trading account assets	2,418		2,488
Mortgage servicing rights	538	[1]	726	[1]
Interest receivable	6,162		5,808
Investments in CCTA and UBCT	1,331		1,331
Customer interest rate swap agreements	506		114
Financial liabilities:
Deposits	1,928,543		1,813,824
FHLB advances	56,058		56,112
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	30,109		30,142
Other borrowed funds	411,062		399,916
Junior subordinated debentures	43,998		43,922
Interest payable	510		567
Interest rate swap agreements	6,969		3,911
Customer interest rate swap agreements	506		114
Carrying Amount | Residential real estate loans
Financial assets:
Loans receivable, net of allowance	570,933		563,425
Carrying Amount | Commercial real estate loans
Financial assets:
Loans receivable, net of allowance	608,396		536,107
Carrying Amount | Commercial loans
Financial assets:
Loans receivable, net of allowance	238,619		172,105
Carrying Amount | Home equity loans
Financial assets:
Loans receivable, net of allowance	268,889		269,888
Carrying Amount | Consumer loans
Financial assets:
Loans receivable, net of allowance	$ 17,805		$ 17,287

[1] (1) Reported fair value represents all MSRs currently being serviced by the Company, regardless of carrying amount.