Earnings per common share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Weighted average common shares outstanding

A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings (loss) per share calculations was as follows:

	Three Months Ended
	March 31,
	2015	2014
	(In thousands)
Weighted average common shares outstanding - basic	194,479	189,820
Effect of dilutive performance share awards	—	612
Weighted average common shares outstanding - diluted	194,479	190,432
Shares excluded from the calculation of diluted earnings per share	87	—