XML 60 R94.htm IDEA: XBRL DOCUMENT v2.4.0.6
Estimated Fair Values (Level 3 Reconciliation) (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Included in net gains on sale of AFS securities $ 0 $ 0 $ 0 $ 7,278,000
Net OTTI losses, credit portion (186,000) [1] (6,173,000) (10,950,000) [1] (36,870,000)
Reclassification of non-credit portion included in net income 186,000 6,155,000 9,495,000 37,089,000
Net change in fair value on OTTI AFS in OCI 62,497,000 (12,159,000) 117,751,000 47,643,000
Unrealized gains (losses) on OTTI AFS and included in OCI 26,851,000 (3,268,000) 34,361,000 7,446,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Available-for-Sale Securities, Private Label Residential Mortgage Backed Securities [Member]
       
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at January 1     1,631,361,000 2,200,438,000
Accretion of credit losses in interest income     (4,380,000)  
Included in net gains on sale of AFS securities       7,278,000
Net OTTI losses, credit portion     (9,866,000) (36,320,000)
Net unrealized gains (losses) on AFS in OCI     213,000  
Reclassification of non-credit portion included in net income     8,411,000  
Net change in fair value on OTTI AFS in OCI     116,632,000  
Unrealized gains (losses) on OTTI AFS and included in OCI     34,190,000  
AOCI       83,625,000
Purchases, issuances, sales, and settlements:        
Sales       (132,362,000)
Settlements     (321,165,000) (436,368,000)
Transfer of OTTI securities, from HTM to AFS     11,268,000 90,925,000
Balance at September 30 1,466,664,000 1,777,216,000 1,466,664,000 1,777,216,000
Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings     (14,247,000) (36,320,000)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Available-for-Sale Securities, Home Equity Lines Of Credit [Member]
       
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at January 1     15,073,000 15,357,000
Accretion of credit losses in interest income     692,000  
Included in net gains on sale of AFS securities       0
Net OTTI losses, credit portion     (1,084,000) (787,000)
Net unrealized gains (losses) on AFS in OCI     0  
Reclassification of non-credit portion included in net income     1,084,000  
Net change in fair value on OTTI AFS in OCI     1,119,000  
Unrealized gains (losses) on OTTI AFS and included in OCI     171,000  
AOCI       4,541,000
Purchases, issuances, sales, and settlements:        
Sales       0
Settlements     (2,480,000) (3,142,000)
Transfer of OTTI securities, from HTM to AFS     0 0
Balance at September 30 14,575,000 15,969,000 14,575,000 15,969,000
Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings     $ (392,000) $ (787,000)
Private Label Residential MBS [Member]
       
Purchases, issuances, sales, and settlements:        
Number of securities transferred from HTM to AFS     1 4
[1] For the three months ended September 30, 2012 and 2011, OTTI "previously recognized" represents securities that were impaired prior to July 1, 2012 and 2011. For the nine months ended September 30, 2012 and 2011, OTTI "previously recognized" represents securities that were impaired prior to January 1, 2012 and 2011