Annual report pursuant to Section 13 and 15(d)

Schedule of Excess Mortgage Servicing Rights (MSRs) (Details)

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Schedule of Excess Mortgage Servicing Rights (MSRs) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2011
Restated
Dec. 31, 2012
Excess MSRs Pool 1
Dec. 31, 2012
MSR Pool 1 Recapture Agreement
Dec. 31, 2012
Excess MSRs Pool 2
Dec. 31, 2012
MSR Pool 2 Recapture Agreement
Dec. 31, 2012
Excess MSRs Pool 3
Dec. 31, 2012
MSR Pool 3 Recapture Agreement
Dec. 31, 2012
Excess MSRs Pool 4
Dec. 31, 2012
MSR Pool 4 Recapture Agreement
Dec. 31, 2012
Excess MSRs Pool 5
Dec. 31, 2012
MSR Pool 5 Recapture Agreement
Dec. 31, 2011
MSR Portfolio I
Dec. 31, 2011
MSR Portfolio I Recapture Agreement
Unpaid Principal Balance $ 76,560,751 $ 9,705,512   $ 8,403,211    $ 9,397,120    $ 9,069,726    $ 5,788,133    $ 43,902,561    $ 9,705,512   
Amortized Cost Basis 235,646 43,604   30,237 4,430 32,890 5,206 27,618 5,036 11,130 2,902 107,704 8,493 37,469 6,135
Carrying Value 245,036 43,971   35,974 4,936 33,935 5,387 30,474 4,960 12,149 2,887 109,682 4,652 37,637 6,334
Weighted Average Yield 17.60% 20.00%   18.00% 18.00% 17.30% 17.30% 17.60% 17.60% 17.90% 17.90% 17.50% 17.50% 20.00% 20.00%
Weighted Average Maturity (Years) 5.4 6.0   4.8 10.8 5.0 11.8 4.7 11.3 4.6 11.1 4.8 11.7 4.5 10.3
Changes in Fair Value Recorded in Other Income (Loss) $ 9,023   $ 367 $ 5,569 $ 307 $ 1,045 $ 181 $ 2,856 $ (76) $ 1,019 $ (15) $ 1,978 $ (3,841) $ 168 $ 199