ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Schedule of Amounts Reclassified from AOCI) (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, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Gains on securities transactions, net													$ 3,131	$ 3,388	$ 1,080
Impairment on securities													(22)	(171)	(140)
Provision for federal income taxes	(463)	(337)	(347)	(399)	(543)	(274)	(292)	(392)	(135)	(384)	(393)	(383)	(1,546)	(1,501)	(1,295)
Reclassifications for the period	1,802	1,712	1,740	1,838	2,139	1,741	1,822	2,008	1,522	1,960	1,971	2,189	7,092	7,710	7,642
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassifications for the period													2,051	2,123
Unrealized Gain (Losses) on Securities AFS [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Gains on securities transactions, net													3,131	3,388
Provision for federal income taxes													(1,065)	(1,152)
Reclassifications for the period													2,066	2,236
Accumulated Other-than-Temporary Impairment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Impairment on securities													(22)	(171)
Provision for federal income taxes													7	58
Reclassifications for the period													$ (15)	$ (113)