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Subsequent Event - Vision Bank Closing (Details) (USD $) | 12 Months Ended |  |  | 0 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Feb. 16, 2012 Vision Bank [Member]
Performing loans | $ 23,000,000 |  |  | $ 354,000,000
Deposit | 4,465,114,000 | 5,095,420,000 | 5,188,052,000 | 520,000,000
Premises and equipment, net | 53,741,000 | 69,567,000 |  | 12,500,000
Other miscellaneous assets and liabilities |  |  |  | 27,900,000
Performing loans at fair value |  |  |  | 22,000,000
Non-performing loans at fair value |  |  |  | 88,000,000
Pretax gain on sale of business |  |  |  | $ 22,000,000

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