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Earnings per Common Share (Details)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Earnings per Common Share        
Basic weighted average outstanding shares 9,270 9,255 9,253 9,265
Add common equivalent shares representing shares issuable upon exercise of dilutive awards 78 60 79 63
Diluted weighted average number of shares 9,348 9,315 9,332 9,328
Anti-dilutive shares excluded from calculation 254 178 254 218