ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ (14,941)	$ 4,237
Net unrealized gains (losses) arising during the period	15,109	11,872
Amounts reclassified from AOCI	(2,226)	(2,554)
Changes, net of taxes	12,883	9,318
Ending balance	(2,058)	13,555
Available- for-Sale Investment Securities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(6,144)	4,237
Net unrealized gains (losses) arising during the period	15,142	11,872
Amounts reclassified from AOCI	(2,226)	(2,554)
Changes, net of taxes	12,916	9,318
Ending balance	6,772	$ 13,555
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(8,797)
Net unrealized gains (losses) arising during the period	(33)
Amounts reclassified from AOCI	0
Changes, net of taxes	(33)
Ending balance	$ (8,830)

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580

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