Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Shareholders' Equity [Abstract]

Earnings per share

	Year Ended December 31,
(In thousands, except per share amounts)	2014		2013		2012
Basic EPS:
Net income	$	237,951	$	183,684	$	134,106
Less:
Cash dividends on 5.875% non-cumulative perpetual series A, preferred stock	5,876		5,337		—
Income allocated to participating securities	1,930		1,545		—
Net income attributable to common shareholders	$	230,145	$	176,802	$	134,106
Weighted average Common Stock outstanding used in basic EPS	165,296		149,607		109,518
Basic net income per common share	$	1.39	$	1.18	$	1.22
Diluted EPS:
Income used in diluted earnings per share calculation	$	230,145	$	176,802	$	134,106
Weighted average Common Stock outstanding used in basic EPS	165,296		149,607		109,518
Add: Common Stock equivalents:
Warrant and stock plans	758		814		—
Weighted average Common and Common Stock equivalent shares outstanding	166,054		150,421		109,518
Diluted net income per common share	$	1.39	$	1.18	$	1.22