Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table presents the computations for basic and diluted earnings per common share:

	Years Ended December 31,
	2013		2012		2011
	(in thousands, except shares and per share amounts)
Numerator:
Net income	$	93,641	$	385,721	$	39,133
Denominator:
Weighted average shares outstanding - basic	62,290,361		62,122,862		61,955,659
Dilutive securities outstanding	1,081,402		649,217		275,549
Weighted average shares outstanding - diluted	63,371,763		62,772,079		62,231,208
Earnings per share - basic	$	1.50	$	6.21	$	0.63
Earnings per share - diluted	$	1.48	$	6.14	$	0.63
Antidilutive securities outstanding (weighted average):
Stock options	64,797		13,792		16,511
Restricted shares	1,309		230		4,728
Total antidilutive securities outstanding	66,106		14,022		21,239