Earnings per Share - Anti-Dilutive Securities (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Securities	46,398	21,126	21,209
Stock options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Securities	1,825	3,139	8,798
Restricted stock and performance shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Securities	17,607	17,987	12,411
Convertible preferred stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Securities	26,966	0	0