STOCKHOLDERS’ EQUITY - Common Stock Repurchase Program and Dividends (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Authorized amount under stock repurchase program	$ 1,000,000		$ 1,000,000
Remaining authorized amount available for stock repurchase	$ 197,100		$ 197,100
Shares of common stock repurchased	0	2,900,000	1,400,000	13,400,000
Average price of shares repurchased (in dollars per share)		$ 8.50	$ 8.27	$ 8.09
Stock Repurchased During Period, Value		$ 25,000	$ 12,000	$ 108,500
Cash dividends declared and paid per share	$ 0.04	$ 0	$ 0.12	$ 0
Payments of Dividends	$ 16,800		$ 50,239	$ 0