Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the periods indicated:

	Year Ended December 31,
	2012			2011		2010
	(in thousands except per share)
Basic EPS:
Net income	$	46,143		$	48,037	$	30,784
Less: Preferred dividends and accretion of issuance discount for preferred stock	—			—		(4,947		)
Net income applicable to common shareholders	$	46,143		$	48,037	$	25,837
Less: Earnings allocated to participating securities	(443		)	(450)		(244)
Earnings allocated to common shareholders	$	45,700		$	47,587	$	25,593
Weighted average common shares outstanding	39,260			39,103		35,209
Basic earnings per common share	$	1.16		$	1.22	$	0.73
Diluted EPS:
Earnings allocated to common shareholders (1)	$	45,700		$	47,588	$	25,593
Weighted average common shares outstanding	39,260			39,103		35,209
Dilutive effect of equity awards and warrants	3			77		183
Weighted average diluted common shares outstanding	39,263			39,180		35,392
Diluted earnings per common share	$	1.16		$	1.21	$	0.72
Potentially dilutive share options that were not included in the computation of diluted EPS because to do so would be anti-dilutive	9			53		54