STOCKHOLDERS' EQUITY AND EARNINGS PER SHARE (Details 4) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement
Balance, beginning of the period	$ 13,555	$ (17,037)	$ 4,237	$ (30,459)
Net unrealized (losses) gains arising during period	(4,904)	14,891	6,969	30,296
Reclassification adjustment for gains included in net income	(3,221)	(389)	(5,776)	(2,372)
Net change	(8,125)	14,502	1,193	27,924
Balance, end of the period	5,430	(2,535)	5,430	(2,535)
Available-for-Sale Investment Securities
Statement
Balance, beginning of the period	13,501	(17,099)	4,176	(30,538)
Net unrealized (losses) gains arising during period	(4,914)	14,895	6,966	30,317
Reclassification adjustment for gains included in net income	(3,221)	(389)	(5,776)	(2,372)
Net change	(8,135)	14,506	1,190	27,945
Balance, end of the period	5,366	(2,593)	5,366	(2,593)
Other Investments
Statement
Balance, beginning of the period	54	62	61	79
Net unrealized (losses) gains arising during period	10	(4)	3	(21)
Net change	10	(4)	3	(21)
Balance, end of the period	$ 64	$ 58	$ 64	$ 58