Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Schedule of Earnings Per Share

The following table reconciles the weighted average basic number of common shares outstanding and the weighted average diluted number of common shares outstanding for the purpose of calculating basic and diluted earnings per share:

	Three months ended March 31,
	2018	2017
	(In thousands)
Weighted average common shares outstanding—basic	37,729	37,525
Dilutive effect of common stock options and awards	—	168
Weighted average common shares outstanding—diluted	37,729	37,693

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

For the three-month period ended March 31, 2018, the Company has excluded the following common stock options and awards because their impact on the loss per share is anti-dilutive (in thousands on a weighted average basis):

	Three months ended March 31,
	2018	2017
	(In thousands)
Director stock awards	4	—
Stock options	11	—
Performance share units	78	14
Restricted stock awards	77	25