Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Calculation of Both Basic and Diluted Earnings Per Common Share

The following table shows the calculation of both basic and diluted earnings per common share for the years ended December 31, 2013, 2012 and 2011:

	2013		2012		2011
	(in thousands, except for share data)
Net income	$	131,961	$	143,627	$	132,511
Basic weighted-average number of common shares outstanding		199,309,425		197,354,159		178,424,883
Plus: Common stock equivalents		—		213		1,187
Diluted weighted-average number of common shares outstanding		199,309,425		197,354,372		178,426,070
Earnings per common share:
Basic	$	0.66	$	0.73	$	0.74
Diluted	$	0.66	$	0.73	$	0.74