Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share (in thousands, except share and per share data):

	Year Ended December 31,
	2018		2017		2016
Numerator:
Net income	$	134,572	$	95,128	$	67,847
Denominator:
Basic weighted average shares outstanding		58,739,670		58,785,118		58,789,118
Effect of dilutive securities:
Stock appreciation rights		176,700		198,642		250,238
Restricted stock		150,932		167,160		185,982
Diluted weighted average shares outstanding		59,067,302		59,150,920		59,225,338
Basic earnings per share	$	2.29	$	1.62	$	1.16
Diluted earnings per share	$	2.28	$	1.61	$	1.15

Antidilutive Securities Excluded from Computation of Earnings Per Share

effect of common stock equivalents using the treasury stock method. The computation of diluted earnings per share excludes the following potentially dilutive securities because the effect would be anti-dilutive:

	Year Ended December 31,
	2018		2017		2016
Restricted stock		214		166		24
Stock appreciation rights		13,347		21,234		9,262