Commitments and Letters of Credit (Tables)

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Notional Amount of Commitments and Letter of Credit Instruments

The following table identifies the notional amount of those instruments at December 31:

	2013		2012
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,571,987	$	1,506,618
Financial standby letters of credit	38,121		47,185
Performance standby letters of credit	32,441		69,240
Commercial letters of credit	—		685