Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Calculation of 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, 2017, 2016 and 2015:

	2017		2016		2015
	(in thousands, except for share data)
Net income available to common shareholders	$	152,458	$	160,958	$	99,144
Basic weighted-average number of common shares outstanding	264,038,123		254,841,571		234,405,909
Plus: Common stock equivalents	850,884		426,765		31,091
Diluted weighted-average number of common shares outstanding	264,889,007		255,268,336		234,437,000
Earnings per common share:
Basic	$	0.58	$	0.63	$	0.42
Diluted	0.58		0.63		0.42