Equity (Tables)

12 Months Ended

Dec. 31, 2014

Equity [Abstract]

Summary of common stock

	As of December 31, 2014			As of December 31, 2013
(In thousands)	Authorized	Issued	Outstanding	Authorized	Issued	Outstanding
Common stock	1,000,000	257,126	234,563	1,000,000	255,973	236,332