FAIR VALUE MEASUREMENT (Schedule of Carrying Amounts and Estimated Fair Value for Financial Instrument Assets and Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2015		Dec. 31, 2014
Financial assets:
Cash and due from banks	$ 66,644		$ 60,813
Available-for-sale Securities	724,237		763,063
Held-to-maturity securities, at amortized cost	75,368		20,179
Held-to-maturity Securities, Fair Value	76,578		20,425
Loans held for sale	890
Mortgage servicing rights	1,399	[1]	1,447	[2]
Interest receivable	6,577		6,017
Customer interest rate swap agreements	3,188		1,140
Financial liabilities:
Deposits	2,010,117		1,933,805
FHLB advances	56,515		57,986
Commercial repurchase agreements	31,012		31,395
Other borrowed funds	434,836		446,909
Junior subordinated debentures	44,101		44,024
Interest payable	505		537
Customer interest rate swap agreements	3,188		1,140
Residential Real Estate
Financial assets:
Loans receivable, net of allowance	590,234		596,172
Commercial Real Estate
Financial assets:
Loans receivable, net of allowance	677,866		631,434
Commercial
Financial assets:
Loans receivable, net of allowance	248,747		244,713
Home Equity
Financial assets:
Loans receivable, net of allowance	281,045		270,904
Consumer
Financial assets:
Loans receivable, net of allowance	16,643		17,007
Readily Available Market Prices (Level 1)
Financial assets:
Cash and due from banks	66,644		60,813
Available-for-sale Securities	0		0
Held-to-maturity Securities, Fair Value	0		0
Loans held for sale	0
Mortgage servicing rights	0	[1]	0	[2]
Interest receivable	0		0
Customer interest rate swap agreements	0		0
Financial liabilities:
Deposits	1,408,272		1,361,604
FHLB advances	0		0
Commercial repurchase agreements	$ 0		0
Other borrowed funds			446,909
Junior subordinated debentures	$ 0		0
Interest payable	505		537
Customer interest rate swap agreements	0		0
Readily Available Market Prices (Level 1) | Residential Real Estate
Financial assets:
Loans receivable, net of allowance	0		0
Readily Available Market Prices (Level 1) | Commercial Real Estate
Financial assets:
Loans receivable, net of allowance	0		0
Readily Available Market Prices (Level 1) | Commercial
Financial assets:
Loans receivable, net of allowance	0		0
Readily Available Market Prices (Level 1) | Home Equity
Financial assets:
Loans receivable, net of allowance	0		0
Readily Available Market Prices (Level 1) | Consumer
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	724,237		763,063
Held-to-maturity Securities, Fair Value	76,578		20,425
Loans held for sale	890
Mortgage servicing rights	1,399	[1]	1,447	[2]
Interest receivable	6,577		6,017
Customer interest rate swap agreements	3,188		1,140
Financial liabilities:
Deposits	601,845		572,201
FHLB advances	56,515		57,986
Commercial repurchase agreements	31,012		31,395
Other borrowed funds	434,836		0
Junior subordinated debentures	44,101		44,024
Interest payable	0		0
Customer interest rate swap agreements	3,188		1,140
Observable Market Data (Level 2) | Residential Real Estate
Financial assets:
Loans receivable, net of allowance	0		0
Observable Market Data (Level 2) | Commercial Real Estate
Financial assets:
Loans receivable, net of allowance	0		0
Observable Market Data (Level 2) | Commercial
Financial assets:
Loans receivable, net of allowance	0		0
Observable Market Data (Level 2) | Home Equity
Financial assets:
Loans receivable, net of allowance	0		0
Observable Market Data (Level 2) | Consumer
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		0
Loans held for sale	0
Mortgage servicing rights	0	[1]	0	[2]
Interest receivable	0		0
Customer interest rate swap agreements	0		0
Financial liabilities:
Deposits	0		0
FHLB advances	0		0
Commercial repurchase agreements	0		0
Other borrowed funds	0		0
Junior subordinated debentures	0		0
Interest payable	0		0
Customer interest rate swap agreements	0		0
Company Determined Fair Value (Level 3) | Residential Real Estate
Financial assets:
Loans receivable, net of allowance	590,234		596,172
Company Determined Fair Value (Level 3) | Commercial Real Estate
Financial assets:
Loans receivable, net of allowance	677,866		631,434
Company Determined Fair Value (Level 3) | Commercial
Financial assets:
Loans receivable, net of allowance	248,747		244,713
Company Determined Fair Value (Level 3) | Home Equity
Financial assets:
Loans receivable, net of allowance	281,045		270,904
Company Determined Fair Value (Level 3) | Consumer
Financial assets:
Loans receivable, net of allowance	16,643		17,007
Carrying Amount
Financial assets:
Cash and due from banks	66,644		60,813
Available-for-sale Securities	724,237		763,063
Held-to-maturity securities, at amortized cost	75,368		20,179
Loans held for sale	890
Mortgage servicing rights	557	[1]	493	[2]
Interest receivable	6,577		6,017
Customer interest rate swap agreements	3,188		1,140
Financial liabilities:
Deposits	2,008,177		1,932,097
FHLB advances	55,000		56,039
Commercial repurchase agreements	30,063		30,097
Other borrowed funds	434,740		446,842
Junior subordinated debentures	44,101		44,024
Interest payable	505		537
Customer interest rate swap agreements	3,188		1,140
Carrying Amount | Residential Real Estate
Financial assets:
Loans receivable, net of allowance	578,033		579,946
Carrying Amount | Commercial Real Estate
Financial assets:
Loans receivable, net of allowance	685,046		635,609
Carrying Amount | Commercial
Financial assets:
Loans receivable, net of allowance	250,501		249,823
Carrying Amount | Home Equity
Financial assets:
Loans receivable, net of allowance	279,186		269,176
Carrying Amount | Consumer
Financial assets:
Loans receivable, net of allowance	16,245		16,940
Interest rate swaps
Financial liabilities:
Interest rate swap agreements	10,165		9,143
Interest rate swaps | Readily Available Market Prices (Level 1)
Financial liabilities:
Interest rate swap agreements	0		0
Interest rate swaps | Observable Market Data (Level 2)
Financial liabilities:
Interest rate swap agreements	10,165		9,143
Interest rate swaps | Company Determined Fair Value (Level 3)
Financial liabilities:
Interest rate swap agreements	0		0
Interest rate swaps | Carrying Amount
Financial liabilities:
Interest rate swap agreements	10,165		$ 9,143
Forward-Starting Interest Rate Swap
Financial liabilities:
Interest rate swap agreements	887
Forward-Starting Interest Rate Swap | Readily Available Market Prices (Level 1)
Financial liabilities:
Interest rate swap agreements	0
Forward-Starting Interest Rate Swap | Observable Market Data (Level 2)
Financial liabilities:
Interest rate swap agreements	887
Forward-Starting Interest Rate Swap | Company Determined Fair Value (Level 3)
Financial liabilities:
Interest rate swap agreements	0
Forward-Starting Interest Rate Swap | Carrying Amount
Financial liabilities:
Interest rate swap agreements	$ 887

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

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