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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Basic:
Net income	$ 7,545	$ 8,163
Weighted-average common shares outstanding	14,422,813	14,455,527
Basic earnings per share	$ 0.52	$ 0.56
Diluted:
Net Income	$ 7,545	$ 8,163
Weighted-average common shares outstanding	14,422,813	14,455,527
Effect of dilutive restricted stock and stock appreciation rights	207,700	253,168
Weighted-average common shares outstanding assuming dilution	14,630,513	14,708,695
Diluted earnings per share	$ 0.52	$ 0.55

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- Definition

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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