XML 16 R53.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commitments and Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Commitment And Contingencies [Line Items]        
Operating Leases agreements, expiration date     Various dates through 2023  
Rental expense relating to operating leases $ 5,981 $ 5,862 $ 11,891 $ 11,347
Unfunded commitments for capital contributions 10,830   10,830  
Trilantic [Member]
       
Commitment And Contingencies [Line Items]        
Unfunded commitments for capital contributions 5,000   5,000  
First Republic Bank [Member]
       
Commitment And Contingencies [Line Items]        
Line of credit facility, maximum borrowing capacity 25,000   25,000  
Line of Credit Facility, Amount Outstanding $ 0   $ 0