Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Earnings per Share and Weighted Average Shares Outstanding Used in Calculating Basic and Diluted Earnings per Share

The following table illustrates earnings per share and the weighted average shares outstanding used in calculating basic and diluted earnings per share:

	Three Months Ended June 30,					Six Months Ended June 30,
	2021		2020			2021		2020
Net income (loss)	$	24,791	$	(10,322	)	$	57,700	$	1,551
Basic weighted average shares of Common Stock outstanding		33,100,230		32,579,549			33,025,432		32,635,322
Dilutive effect of stock options, restricted stock awards and restricted stock units		443,978		—			443,417		233,392
Diluted weighted average shares of Common Stock outstanding		33,544,208		32,579,549			33,468,849		32,868,714
Basic earnings per share	$	0.75	$	(0.32	)	$	1.75	$	0.05
Diluted earnings per share	$	0.74	$	(0.32	)	$	1.72	$	0.05

Common Stock Issuable upon Exercise of Certain Stock Options

The following table represents Common Stock issuable upon the exercise of certain stock options that have been excluded from the diluted earnings calculation because the effect of their inclusion would be anti-dilutive.

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Anti-dilutive securities share impact		—		894,520		—		346,596