Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2012

Commitments and Contingencies Disclosure [Abstract]

Summary of Outstanding Commitments to Extend Credit and Letters of Credit

The outstanding amounts of commitments to extend credit and letters of credit were as follows:

	September 30, 2012		December 31, 2011
	(in thousands)
Commitments to extend credit	$	4,007,947	$	3,803,532
Standby letters of credit	427,697		444,019
Commercial letters of credit	27,305		31,557