Computation of Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Summary of Calculation of Basic Earnings Per Common Share and Diluted Earnings Per Common Share

The calculation of basic earnings per common share and diluted earnings per common share was as follows (in thousands, except per share amounts):

	Third Quarter				Nine Months
	2018		2017 As Adjusted (Note 1)		2018		2017 As Adjusted (Note 1)
Numerator:
Net income	$	28,195	$	14,373	$	79,601	$	43,339
Denominator:
Denominator for basic  earnings per share–weighted      average common shares		25,792		25,527		25,752		25,494
Effect of dilutive stock options		167		152		168		124
Effect of other common stock equivalents		395		434		408		432
Denominator for diluted earnings per share–adjusted      weighted average common shares		26,354		26,113		26,328		26,050
Basic Earnings Per Share	$	1.09	$	0.56	$	3.09	$	1.70
Diluted Earnings Per Share	$	1.07	$	0.55	$	3.02	$	1.67