Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Numerator:
Net Earnings	$ 4,439	$ 5,026
Denominator:
Basic - Weighted Average Shares Outstanding	17,544,192	18,283,097
Effect of dilutive securities:
Share-based compensation plans	433,395	497,837
Diluted - Weighted Average Shares Outstanding	17,977,587	18,780,934
Basic Earnings per Share	$ 0.25	$ 0.27
Diluted Earnings per Share	$ 0.25	$ 0.27
Anti-dilutive securities excluded from earnings per share calculation	381,952	145,293

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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