Earnings per common share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

The following table provides the basis for basic and diluted earnings (loss) per share by reconciling the numerators and denominators of the computations:

	Three Months Ended March 31,
	2018	2017
	(In thousands)
Weighted average shares outstanding:
Basic weighted average shares outstanding	20,901	25,008
Effect of dilutive securities	974	400
Diluted weighted average shares outstanding	21,875	25,408