Quantitative inputs level 3 (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 3 Months Ended | 3 Months Ended | ||||||||||||||||||||||||||
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Mar. 31, 2012
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Dec. 31, 2011
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Mar. 31, 2011
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Dec. 31, 2010
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Mar. 31, 2012
Fair Value, Measurements, Recurring [Member]
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Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2011
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2011
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Contingent Liability [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Contingent Liability [Member]
Fair Value Inputs Level 3 Internal Valuation Technique [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Contingent Liability [Member]
Fair Value Inputs Level 3 Internal Valuation Technique [Member]
Fair Value, Measurements, Recurring [Member]
Risk Premium [Member]
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Mar. 31, 2012
Servicing Asset At Fair Value Amount [Member]
Fair Value Inputs Level 3 Internal Valuation Technique [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Loan
Fair Value Inputs Level 3 Internal Valuation Technique [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Real Estate Acquired in Satisfaction of Debt [Member]
Fair Value Inputs Level 3 Internal Valuation Technique [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Mar. 31, 2012
Collateralized Mortgage Obligations Member
Fair Value, Measurements, Recurring [Member]
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Dec. 31, 2011
Collateralized Mortgage Obligations Member
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2011
Collateralized Mortgage Obligations Member
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Collateralized Mortgage Obligations Member
Trading Account Assets[Member]
Fair Value Inputs Level 3 Internal Valuation Technique [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Other Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Dec. 31, 2011
Other Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2011
Other Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Mar. 31, 2012
Other Securities [Member]
Trading Account Assets[Member]
Fair Value Inputs Level 3 Internal Valuation Technique [Member]
Fair Value, Measurements, Recurring [Member]
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Assets | |||||||||||||||||||||||||||||
Available For Sale Securities Fair Value Disclosure | $ 5,138,616 | $ 5,009,823 | $ 5,686,341 | $ 26,440 | $ 24,962 | $ 27,608 | |||||||||||||||||||||||
Trading Account Assets Fair Value Disclosure | 404,206 | 436,330 | 633,641 | 3,484 | 3,545 | 3,391 | 2,750 | 20,360 | 17,248 | 21,015 | 1,325 | ||||||||||||||||||
Servicing Asset At Fair Value Amount | 156,331 | 151,323 | 167,416 | 166,907 | 156,331 | 151,323 | 167,416 | 156,331 | |||||||||||||||||||||
Loans Receivable, Fair Value Disclosure | 50,000 | [1] | 19,000 | [1] | 49,876 | ||||||||||||||||||||||||
Real Estate Acquired Through Foreclosure | 77,000 | [2] | 13,000 | [2] | 76,648 | ||||||||||||||||||||||||
Liabilities Fair Value Disclosure Abstract | |||||||||||||||||||||||||||||
Business Acquisition, Contingent Consideration, at Fair Value | $ (100,834) | $ (99,762) | $ (94,483) | $ (100,834) | |||||||||||||||||||||||||
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Abstract] | |||||||||||||||||||||||||||||
Fair Value, Trading Account Assets, Valuation Techniques | Discounted cash flow model | Discounted cash flow model | |||||||||||||||||||||||||||
Fair Value, Servicing Rights, Valuation Techniques | Discounted cash flow model | ||||||||||||||||||||||||||||
Fair Value, Assets Held-for-sale, Long Lived, Valuation Techniques | External Appraisal | ||||||||||||||||||||||||||||
Fair Value Assets Measuredon Nonrecurring Basis Valuation Techniques Impaired Loans | External Appraisal | ||||||||||||||||||||||||||||
Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Abstract] | |||||||||||||||||||||||||||||
Fair Value, Other Liabilities, Valuation Techniques | Discounted model cash flow | ||||||||||||||||||||||||||||
Unobservable Inputs | Credit loss rate on covered loans of discount rate Risk premium component | Prepayment speed Weighted average life Discount rate | Haircut applied on external appraisals | Haircut applied on external appraisals | Weighted average life Yield Constant prepayment rate | Weighted average life Yield Constant prepayment rate | |||||||||||||||||||||||
Fair Value Inputs Quantitative Information [Abstract] | |||||||||||||||||||||||||||||
Fair Value Inputs Weighted Average Life And Range | 12.7 years (4.0 - 24.0 years) | 2.4 years (0.4 - 3.4 years) | 5.8 | ||||||||||||||||||||||||||
Fair Value Inputs Prepayment Rate | 9.00% | ||||||||||||||||||||||||||||
Fair Value Inputs Prepayment Weighted Average And Range | 7.9% (4.2% - 24.7%) | 24.2% (19.5% - 28.0%) | |||||||||||||||||||||||||||
Fair Value Inputs Yield | 4.15 | 12.9 | |||||||||||||||||||||||||||
Fair Value Inputs Credit Loss Rate | 27.4% (0.0% - 100.0%) | ||||||||||||||||||||||||||||
Fair Value Inputs Discount Rate Percentage | 6.60% | 4.80% | |||||||||||||||||||||||||||
Fair Value Inputs Haircut External Appraisal | 25.3% (5.0% - 48.0%) | 19.1% (5.0% - 40.0%) | |||||||||||||||||||||||||||
Fair Value Inputs Discount Rate | 12.1% (10.0 - 15.5%) | ||||||||||||||||||||||||||||
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