Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments And Contingencies [Abstract]

Summary Of Financial Instruments Outstanding

	Contract Amount
(dollars in thousands)	2011		2010
Commitments to grant loans	$	243,458	$	152,545
Unfunded commitments under lines of credit		1,773,601		1,121,895
Commercial and standby letters of credit		49,530		33,446