INVESTMENTS - Held to Maturity (Details) - Ares Management L.P. - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	$ 17,368		$ 17,022
Unrealized loss, net	(562)		(334)
Fair value	16,806		$ 16,688
Sales of investments during the period	0	$ 0
Fair value, maturity greater than 10 years	$ 16,806

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity.

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Fair value of held-to-maturity debt securities maturing after the tenth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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