Net Income per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Computation of the Company’s basic and diluted net income per share

The computation of the Company's basic and diluted net income per share for the three and nine months ended September 30, 2015 and 2014 was as follows:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2015			2014			2015			2014
	(In thousands, except per share data)
Numerator for basic and dilutive income per common share:
Net income	$	24,257		$	18,887		$	79,566		$	58,878
Less: Net income allocated to unvested participating restricted stock	(316		)	(279		)	(1,042		)	(927		)
Net income available to common stockholders - basic	23,941			18,608			78,524			57,951
Effect of unvested participating restricted stock in two-class calculation	1			1			3			3
Net income available to common stockholders - diluted	$	23,942		$	18,609		$	78,527		$	57,954
Denominator:
Weighted average outstanding shares of common stock - basic	18,573			18,703			18,737			18,757
Dilutive effect of stock options	133			187			137			207
Weighted average outstanding shares of common stock - diluted	18,706			18,890			18,874			18,964
Net income per common share:
Basic	$	1.29		$	0.99		$	4.19		$	3.09
Diluted	$	1.28		$	0.99		$	4.16		$	3.06