Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per common share

	Year Ended December 31,
	2012			2011			2010
	(In thousands, except per share amounts)
Basic EPS
Net income	$	60,069		$	47,704		$	31,428
Amount allocable to common shareholders		100.0	%		100.0	%		90.5	%
Net income applicable to common stock	$	60,069		$	47,704		$	28,427
Common stock—voting		36,101			34,420			30,573
Common stock—non-voting		415			2,586			2,586
Basic weighted average shares outstanding		36,516			37,006			33,159
Basic earnings per share	$	1.65		$	1.29		$	0.86
Diluted EPS
Net income	$	60,069		$	47,704		$	31,428
Basic weighted average shares outstanding		36,516			37,006			33,159
Effect of dilutive shares:
Series B Preferred Stock		—			—			3,500
Stock options, restricted stock and warrants		1,300			2,602			2,392
Diluted weighted average shares outstanding		37,816			39,608			39,051
Diluted earnings per share	$	1.59		$	1.20		$	0.80