Fair Value Part 2 (Details) (Fair Value, Measurements, Recurring [Member], Fair Value, Inputs, Level 3 [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Other Assets - Derivatives [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 337		$ (61)
Total net (losses) gains included in net income	3,968	[1]	4,382	[1]
Additions	0		0
Sales	(3,603)		(3,984)
Ending Balance	702		337
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	64
MSR [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	51,151		50,513
Total net (losses) gains included in net income	(22,037)	[1]	(16,247)	[1]
Additions	14,160		16,885
Sales	0		0
Ending Balance	43,274		51,151
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	$ (15,130)

[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.