INVESTMENTS (Net Realized Gains (Losses) by Major Investment Category (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Gross realized and unrealized gains:	$ 1,376	$ 1,130
Gross realized and unrealized losses:	(2,428)	(1,235)
Net realized and unrealized gains on investments	(1,052)	(105)
Debt Securities [Member]
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Gross realized and unrealized gains:	223	570
Gross realized and unrealized losses:	(1,441)	(1,092)
Equity Securities [Member]
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Gross realized and unrealized gains:	1,153	560
Gross realized and unrealized losses:	$ (987)	$ (143)

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563

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