STOCKHOLDERS’ EQUITY Activity related to restricted stock units (Details) (USD $)	3 Months Ended			12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants reserved for 2015 performance plan	1,100,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Shares assumed from NMI acquisition	98,504
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Ending Balance, Number of Units	18,674,000	14,639,000	19,451,000	21,137,000
Ending Balance, Weighted-Average Grant Date Fair Value	$ 8.55	$ 8.52	$ 9.08	$ 8.84
Restricted Stock Units R S U Non Performance Based [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted stock units issued, Number of Units	5,841,000	330,000	201,000
Restricted stock units issued, Weighted-Average Grant Date Fair Value	$ 8.53	$ 8.20	$ 8.12
Restricted stock units vested, Number of Units	(1,412,000)	(2,051,000)	(1,629,000)
Restricted stock units vested, Weighted-Average Grant Date Fair Value	$ 8.20	$ 7.81	$ 7.91
Restricted stock units cancelled, Number of Units	(366,000)	(532,000)	(211,000)
Restricted stock units cancelled, Weighted-Average Grant Date Fair Value	$ 8.18	$ 7.84	$ 8.02
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted stock units issued, Number of Units				1,000,000
Restricted stock units cancelled, Number of Units	(28,000)	(2,559,000)	(47,000)
Restricted stock units cancelled, Weighted-Average Grant Date Fair Value	$ 7.33	$ 13.47	$ 13.83