PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION (Details 3) (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	Dec. 31, 2010
Cash flows from operating activities:
Net income	$ 4,168	$ 4,871	$ 4,318	$ 406	$ 3,605	$ 3,123	$ 3,252	$ 3,113	$ 13,763	$ 13,093	$ 12,772
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Decrease (increase) in other assets									(5,783)	1,366	2,287
Decrease in other liabilities									(1,417)	3,483	1,737
Net cash used in operating activities									25,811	25,029	22,333
Cash flows from investing activities:
Cash in lieu of fractional shares for business acquisition									2,926
Net cash used in investing activities									(170,548)	(301,175)	(327,231)
Cash flows from financing activities:
Repayment of acquired unsecured debt									1,450
Net proceeds from issuance of common stock									631	46,237	10,507
Net proceeds from exercise of stock options									7	4
Repurchase of surrendered stock from exercise of stock options and vesting of restricted stock awards									(173)	(291)	(175)
Excess tax benefit (expense) from share based compensation									36	21	(18)
Cash dividends paid									(10,657)	(6,754)	(9,898)
Other, net									192
Net cash provided by financing activities									150,894	270,470	276,601
Net increase (decrease) in cash and cash equivalents									6,157	(5,676)	(28,297)
Cash and cash equivalents at beginning of period				45,573				51,249	45,573	51,249	79,546
Cash and cash equivalents at end of period	51,730				45,573				51,730	45,573	51,249
Parent Company
Cash flows from operating activities:
Net income									13,763	13,093	12,772
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Equity in undistributed earnings of the Bank									14,751	14,044	13,753
Decrease (increase) in other assets									81	(100)	(7)
Decrease in other liabilities									(48)	(5)	(227)
Net cash used in operating activities									(955)	(1,056)	(1,215)
Cash flows from investing activities:
Investment in the Bank									(24,000)	(6,000)	(7,000)
Cash in lieu of fractional shares for business acquisition									(1)
Net cash used in investing activities									(24,001)	(6,000)	(7,000)
Cash flows from financing activities:
Repayment of acquired unsecured debt									1,450
Net proceeds from issuance of common stock									631	46,237	10,507
Net proceeds from exercise of stock options									7	4
Repurchase of surrendered stock from exercise of stock options and vesting of restricted stock awards									(173)	(291)	(175)
Excess tax benefit (expense) from share based compensation									36	21	(18)
Cash dividends paid									(10,657)	(6,754)	(9,898)
Other, net									(192)
Net cash provided by financing activities									(11,798)	39,217	416
Net increase (decrease) in cash and cash equivalents									(36,754)	32,161	(7,799)
Cash and cash equivalents at beginning of period				37,364				5,203	37,364	5,203		13,002
Cash and cash equivalents at end of period	$ 610				$ 37,364				$ 610	$ 37,364	$ 5,203	$ 13,002