Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Summary of Net Income (Loss) Per Common Share

	Year ended December 31,
	2013			2012			2011
Weighted average shares outstanding		19,794			16,012			12,956
Less: restricted stock issued		(254	)		(251	)		(149	)
Basic divisor		19,540			15,761			12,807
Dilutive shares:
Restricted stock awards		239			138			—
Stock options		272			187			—
Diluted divisor		20,051			16,086			12,807
Net income (loss)	$	5,753		$	96,308		$	(7,710	)
Net income (loss) per share:
Basic	$	0.29		$	6.11		$	(0.60	)
Diluted	$	0.29		$	5.99		$	(0.60	)