Federal and State Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]

Reconciliation of income (loss) to income tax expense

The reconciliations of income (loss) attributable to continuing operations at the U.S. federal statutory tax rate to income tax expense are as follows (in thousands):
	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
Amount:
Federal statutory tax	$	53,414		$	38,868		$	98,463		$	75,100
Tax exempt revenue	(1,334		)	(1,331		)	(2,598		)	(2,694		)
Effect of state income taxes, net of federal benefit	3,572			2,738			6,570			5,376
Utilization of tax credits	(1,467		)	(594		)	(2,564		)	(1,093		)
Bank-owned life insurance	(976		)	(979		)	(1,955		)	(1,964		)
Other, net	(60		)	655			753			3,384
Total	$	53,149		$	39,357		$	98,669		$	78,109

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2012		2011		2012		2011
Percent of pretax income:
Federal statutory tax	35	%	35	%	35	%	35	%
Tax exempt revenue	(1	)	(1	)	(1	)	(1	)
Effect of state income taxes, net of federal benefit	3		3		2		3
Utilization of tax credits	(1	)	(1	)	(1	)	(1	)
Bank-owned life insurance	(1	)	(1	)	(1	)	(1	)
Other, net	—		—		1		1
Total	35	%	35	%	35	%	36	%