Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Earnings Per Share

Earnings per share under the basic and diluted computations are as follows: 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Net income	$	19,374	$	12,219	$	39,709	$	66,258
Weighted average common shares outstanding – basic	22,107		22,488		22,151		22,573
Weighted average common stock equivalents	485		487		465		479
Weighted average common shares outstanding – diluted	22,592		22,975		22,616		23,052
Earnings per share:
Basic	$	0.88	$	0.54	$	1.79	$	2.94
Diluted	$	0.86	$	0.53	$	1.76	$	2.87

Summary of Anti-dilutive Securities Excluded from Computation of Weighted Average Common Stock Equivalents

The number of anti-dilutive securities excluded from the computation of the weighted average common stock equivalents presented above is shown in the following table.

	As of September 30,
	2015	2014
Unvested restricted stock awards	—	14
Convertible senior notes	3,129	3,129
Warrants related to the issuance of convertible senior notes	3,129	3,129
Total anti-dilutive securities	6,258	6,272