FAIR VALUE, Balance Sheets Grouping (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2015	Dec. 31, 2014
Financial Assets [Abstract]
Interest-bearing time deposits in other banks		$ 0	$ 10,000
Investment securities held to maturity		65,851	64,796
Investment securities available for sale		273,837	298,670
Financial Liabilities [Abstract]
Borrowings		$ 65,000	130,000
Percentage of derivative in net sale proceeds (in hundredths)		10.00%
Carrying Amount [Member]
Financial Assets [Abstract]
Federal Reserve and Federal Home Loan Bank stock and other investments		$ 6,177	8,600
Carrying Amount [Member] | Level 1 [Member]
Financial Assets [Abstract]
Cash and due from banks		96,994	54,516
Carrying Amount [Member] | Level 2 [Member]
Financial Assets [Abstract]
Federal funds sold		0	1,000
Interest-bearing time deposits in other banks		0	10,000
Investment securities held to maturity		63,618	62,270
Investment securities available for sale		273,837	298,670
Loans held for sale		3,132	26,495
Accrued interest and loan fees receivable		5,774	5,676
Financial Liabilities [Abstract]
Non maturity deposits		1,475,894	1,337,301
Time deposits		242,500	218,759
Borrowings		65,000	130,000
Accrued interest payable		186	136
Carrying Amount [Member] | Level 3 [Member]
Financial Liabilities [Abstract]
Derivatives		752	752
Carrying Amount [Member] | Level 2/3 [Member]
Financial Assets [Abstract]
Loans, net of allowance	[1]	1,456,575	1,336,227
Fair Value [Member] | Level 1 [Member]
Financial Assets [Abstract]
Cash and due from banks		96,994	54,516
Fair Value [Member] | Level 2 [Member]
Financial Assets [Abstract]
Federal funds sold		0	1,000
Interest-bearing time deposits in other banks		0	10,017
Investment securities held to maturity		65,851	64,796
Investment securities available for sale		273,837	298,670
Loans held for sale		3,132	26,495
Accrued interest and loan fees receivable		5,774	5,676
Financial Liabilities [Abstract]
Non maturity deposits		1,475,894	1,337,301
Time deposits		242,927	219,089
Borrowings		64,845	130,004
Accrued interest payable		186	136
Fair Value [Member] | Level 3 [Member]
Financial Liabilities [Abstract]
Derivatives		752	752
Fair Value [Member] | Level 2/3 [Member]
Financial Assets [Abstract]
Loans, net of allowance	[1]	$ 1,447,839	$ 1,329,041

[1] Impaired loans are generally classified within Level 3 of the fair value hierarchy.