STOCKHOLDERS' EQUITY (Schedule of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ 14,355	$ 11,202	$ 10,111	$ 7,502
Other comprehensive income before reclassifications	1	3,668	4,238	8,100
Amounts reclassified from accumulated other comprehensive income	(4,178)	22	(4,171)	(710)
Net current period other comprehensive income (loss)	(4,177)	3,690	67	7,390
Balance, end of period	10,178	14,892	10,178	14,892
Investment Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	18,263	13,830	14,051	10,151
Other comprehensive income before reclassifications	1	3,668	4,238	8,100
Amounts reclassified from accumulated other comprehensive income	(4,211)	1	(4,236)	(752)
Net current period other comprehensive income (loss)	(4,210)	3,669	2	7,348
Balance, end of period	14,053	17,499	14,053	17,499
Defined Benefit Pension Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(3,908)	(2,628)	(3,940)	(2,649)
Other comprehensive income before reclassifications	0	0	0	0
Amounts reclassified from accumulated other comprehensive income	33	21	65	42
Net current period other comprehensive income (loss)	33	21	65	42
Balance, end of period	$ (3,875)	$ (2,607)	$ (3,875)	$ (2,607)