Commitments, Contingencies, and Guarantees (Tables)
 3 Months Ended
Mar. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Credit commitments
The Company’s credit commitments as of March 31, 2014 and December 31, 2013 were as follows:
(dollars in thousands)
March 31,
2014

 
December 31,
2013

Unfunded Commitments to Extend Credit
$
2,380,414

 
$
2,314,892

Standby Letters of Credit
42,024

 
58,207

Commercial Letters of Credit
15,895

 
16,387

Total Credit Commitments
$
2,438,333

 
$
2,389,486