Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Commitments And Contingencies Disclosure [Abstract]

Summary of Financial Instruments Outstanding

At March 31, 2013 and December 31, 2012, the Company had the following financial instruments outstanding, whose contract amounts represent credit risk:

	Contract Amount
(Dollars in thousands)	March 31, 2013		December 31, 2012
Commitments to grant loans	$	329,833	$	192,295
Unfunded commitments under lines of credit		2,533,921		2,372,971
Commercial and standby letters of credit		77,201		62,207