Earnings (loss) per common share (Tables)

9 Months Ended

Sep. 30, 2017

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		Nine Months Ended
	September 30,		September 30,
	2017	2016	2017	2016
	(In thousands)
Weighted average common shares outstanding - basic	195,304	195,304	195,304	195,298
Effect of dilutive performance share awards	479	507	618	496
Weighted average common shares outstanding - diluted	195,783	195,811	195,922	195,794
Shares excluded from the calculation of diluted earnings per share	—	—	—	—