Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2018

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:

	Quarter Ended   March 31,
In thousands	2018	2017
Basic average common shares outstanding	17,164	16,983
Effect of dilutive options and restricted stock awards	175	301
Diluted average common shares outstanding	17,339	17,284