Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Schedule of Reconciliation of Weighted Average Shares Used to Determine Basic and Diluted Earnings Per Share

The following table provides a reconciliation of weighted-average shares used to determine basic and diluted earnings per share.

	For the years ended December 31,
In thousands	2017	2016	2015
Basic average common shares outstanding	17,045	16,871	16,746
Effect of dilutive options and restricted stock awards	272	370	338
Diluted average common shares outstanding	17,317	17,241	17,084