OTHER INCOME (EXPENSE), NET (Details 2) - USD ($) $ in Thousands, shares in Millions	1 Months Ended		12 Months Ended
	Apr. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Number of available for sale shares acquired (in shares)			4.1
Purchase of available for sale securities		$ 30,000	$ 48,219	$ 29,966	$ 0
Loss on HLSS equity securities and dividends received, net			0	1,854	0
HLSS
Schedule of Available-for-sale Securities [Line Items]
Liquidating dividend	$ 20,400
Sale proceeds from HLSS common stock	$ 7,700
Loss on HLSS equity securities and dividends received, net			$ 0	$ 1,900	$ 0
Common stock | HLSS | Fair value measurements | Fair Value, Level 1
Schedule of Available-for-sale Securities [Line Items]
Number of available for sale shares acquired (in shares)		1.6
Available-for-sale securities, shares sold	1.6