PARENT COMPANY FINANCIAL STATEMENTS, Condensed Statement of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income [Abstract]
Interest and dividend income	$ 13,390	$ 13,526	$ 12,789	$ 13,045	$ 11,546	$ 13,192	$ 12,317	$ 11,415	$ 52,750	$ 48,470	$ 50,435
Expenses [Abstract]
Interest expense									4,336	4,775	6,436
Salaries and employee benefits									18,071	15,046	15,122
Professional fees									762	900	1,181
Other expenses									3,798	3,126	3,193
Income before income taxes									20,320	20,633	15,996
Income tax (benefit)									7,170	7,404	5,673
Net income	3,229	3,151	3,100	3,670	3,690	3,926	3,109	2,504	13,150	13,229	10,323
Discount on redemption of preferred stock									0	0	905
Preferred stock dividends and accretion									(598)	(659)	(1,073)
Net income available to common stockholders									12,552	12,570	10,155
Parent Company [Member]
Income [Abstract]
Dividends from subsidiaries									14,340	9,675	13,915
Interest and dividend income									6	12	22
Other income									2,364	1,327	1,201
Total income									16,710	11,014	15,138
Expenses [Abstract]
Interest expense									550	650	754
Salaries and employee benefits									2,814	2,387	2,318
Professional fees									337	290	337
Other expenses									781	781	1,053
Total expenses									4,482	4,108	4,462
Income before income taxes									12,228	6,906	10,676
Income tax (benefit)									(728)	(987)	(1,144)
Income before equity in undistributed income of subsidiaries									12,956	7,893	11,820
Equity in undistributed income (excess distributions) of subsidiaries									194	5,336	(1,497)
Net income									13,150	13,229	10,323
Discount on redemption of preferred stock									0	0	905
Preferred stock dividends and accretion									(598)	(659)	(1,073)
Net income available to common stockholders									$ 12,552	$ 12,570	$ 10,155