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Fair Value Part 2 (Details) (Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Other Assets - Derivatives [Member]
    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning Balance $ 702 $ 337
Total net (losses) gains included in net income 10,261 [1] 2,946 [1]
Additions 0 0
Sales (6,658) (1,754)
Ending Balance 4,305 1,529
The amount of total gains (losses) for the period included in earnings that are attributable to the change in unrealized gains or losses still held, end of period 2,320 (46)
MSR [Member]
    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning Balance 43,274 51,151
Total net (losses) gains included in net income (16,137) [1] (17,073) [1]
Additions 17,074 9,581
Sales 0 0
Ending Balance 44,211 43,659
The amount of total gains (losses) for the period included in earnings that are attributable to the change in unrealized gains or losses still held, end of period $ (8,960) $ (12,288)
[1] Total net (losses) gains included in net income relating to MSR includes changes in fair value due to market changes and due to runoff.