Net Income per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Reconciliation of Basic to Diluted Net Income per Share

The following is a reconciliation of basic to diluted net income per share:

	Quarter Ended				Year to Date Ended
	September 30, 2017		September 30, 2016		September 30, 2017		September 30, 2016
Net income	$	13,277	$	5,313	$	38,987	$	23,472
Shares used in net income per common share - basic		29,008		25,726		28,912		25,684
Dilutive effect of the equity premium on Convertible Notes at the average price of common stock		—		295		—		123
Incremental shares of unvested restricted common stock		66		—		89		6
Shares used in net income per common share - diluted		29,074		26,021		29,001		25,813
Earnings per share:
Basic net income	$	0.46	$	0.21	$	1.35	$	0.91
Diluted net income	$	0.46	$	0.20	$	1.34	$	0.91