XML 71 R99.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and Contingencies - Additional Information (Detail) (USD $)
9 Months Ended 1 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Leasehold Improvements
Sep. 30, 2012
Maximum
Sep. 30, 2011
Maximum
Aug. 18, 2010
Schwab
Plaintiff
Oct. 15, 2010
FHLB Chicago
Minimum
Plaintiff
Sep. 30, 2012
Sequoia
FHLB Seattle
Residential
Sep. 30, 2012
Sequoia
Schwab
Residential
Sep. 30, 2012
Sequoia
FHLB Chicago
Residential
Jul. 12, 2010
Sequoia
FHLB Chicago
Residential
LegalMatter
Sep. 30, 2012
Sequoia
FHLB Chicago First Notice
Residential
Sep. 30, 2012
Sequoia
FHLB Chicago Second Notice
Residential
Loss Contingencies [Line Items]                          
Future Lease Commitments with expiration dates through 2018 $ 9,540,000                        
Operating lease expiration dates     2012 2018                  
Operating lease expense       1,000,000 1,000,000                
Leasehold amortization expense 1,000,000 1,000,000                      
Statutory interest rate per annum               8.00%   10.00%      
Original principal amount of securities               133,000,000 14,800,000     105,000,000 379,000,000
Remaining outstanding principal balance of securities               $ 27,000,000 $ 3,000,000     $ 38,000,000 $ 139,000,000
Number of other named defendants along with SRF           26 45            
Number of notices received                     2