Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Components of Calculation of Basic and Diluted Earnings Per Share

The following table provides a reconciliation of the components used in the calculation of basic and diluted earnings per share for the periods presented:

	Three Months Ended March 31,
	2018		2017
Net income - basic and diluted	$	10,295	$	28,081
Weighted-average shares – basic	15,042		14,992
Effect of dilutive securities 1	39		134
Weighted-average shares – diluted	15,081		15,126

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¹  The number of dilutive securities for the three months ended March 31, 2018 and 2017, which is attributable to RSUs and PRSUs, was determined under the “treasury stock” method.