Quarterly report pursuant to Section 13 or 15(d)

Loans sales and securitizations (Details)

v2.3.0.15
Loans sales and securitizations (Details) (USD $)
In Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Summarizes activity relating to residential mortgage loans sold with servicing retained        
Residential mortgage loans sold with servicing retained $ 515,179 $ 924,494 $ 2,264,697 $ 2,463,509
Residential Mortgage [Member]
        
Summarizes activity relating to residential mortgage loans sold with servicing retained        
Pretax gains resulting from above loan sales 12,737 [1] 21,842 [1] 57,982 [1] 55,266 [1]
Summarize the changes in MSRs using the fair value method        
Fair value, beginning of period 104,997 132,405 125,679 176,426
Change in fair value during the period due to:        
Time decay (1,222) [2] (1,088) [2] (3,987) [2] (4,295) [2]
Payoffs (4,614) [3] (9,158) [3] (15,013) [3] (22,835) [3]
Changes in valuation inputs or assumptions (25,337) [4] (10,004) [4] (32,855) [4] (37,141) [4]
Fair value, end of period $ 73,824 $ 112,155 $ 73,824 $ 112,155
[1] Recorded in other noninterest income.
[2] Represents decrease in value due to passage of time, including the impact from both regularly scheduled loan principal payments and partial loan paydowns.
[3] Represents decrease in value associated with loans that paid off during the period.
[4] Represents change in value resulting primarily from market-driven changes in interest rates and prepayment spreads.