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Earnings Per Share (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Reconciliation of shares used for basic and diluted earnings per share [Abstract]        
Weighted average common shares used for basic EPS (in shares) 19,466 19,370 19,435 19,338
Dilutive effect of stock-based awards (in shares) 0 175 0 187
Shares used for diluted EPS (in shares) 19,466 19,545 19,435 19,525
Stock-based awards not included in diluted per share calculations as they would be antidilutive (in shares) 71 0 65 0