PARENT COMPANY (Statements of Cash Flows) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Net income	$ 12,618	$ 12,125	$ 15,131
Net change in other assets	146	790	(1,635)
Net change in other liabilities	1,792	(860)	635
Net cash provided by operating activities	20,080	15,915	22,565
Sale of treasury stock		(82)	15
Proceeds from exercise of stock options	328	225
Tax benefit from exercise of stock options and distribution of shares in deferred compensation arrangements	115	14	8
Cash dividends paid	(7,096)	(7,085)	(6,432)
Net cash provided by financing activities	119,045	(13,665)	9,038
Increase (decrease) in cash and cash equivalents	(4,276)	38,988	38,243
Cash and cash equivalents beginning of year	154,459	115,471	77,228
Cash and cash equivalents end of year	150,183	154,459	115,471
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net income	12,618	12,125	15,131
Net change in other assets	(686)	138	65
Net change in other liabilities	444	(67)	(121)
Equity in undistributed earnings of subsidiaries	(7,242)	(5,857)	(10,211)
Net cash provided by operating activities	5,134	6,339	4,864
Sale of treasury stock			15
Tax benefit from exercise of stock options and distribution of shares in deferred compensation arrangements	115	14	8
Cash dividends paid	(7,096)	(7,167)	(6,432)
Other, net	1,204	214	226
Net cash provided by financing activities	(5,777)	(6,939)	(6,183)
Increase (decrease) in cash and cash equivalents	(643)	(600)	(1,319)
Cash and cash equivalents beginning of year	2,197	2,797	4,116
Cash and cash equivalents end of year	$ 1,554	$ 2,197	$ 2,797