Net Income per Share (Tables)

6 Months Ended

Jun. 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
	June 30, 2017		June 30, 2016		June 30, 2017		June 30, 2016
Net income	$	15,384	$	9,349	$	25,710	$	18,159
Shares used in net income per common share - basic		28,978		25,699		28,873		25,699
Dilutive effect of the equity premium on Convertible Notes at the average price of common stock		—		232		—		9
Incremental shares of unvested restricted common stock		136		37		169		85
Shares used in net income per common share - diluted		29,114		25,968		29,042		25,793
Basic net income	$	0.53	$	0.36	$	0.89	$	0.71
Diluted net income	$	0.53	$	0.36	$	0.89	$	0.70