Fair Value Measurement (Schedule Of Fair Value Assets And Liabilities Not Measured At Fair Value By Level) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 178,685	$ 223,532
Securities held to maturity	5,563	4,541
Loans held for sale, at fair value	104,664	320,132
Non-covered loans and leases, net	7,354,403	6,681,080
Covered loans and leases, net	363,992	477,078
Restricted equity securities	30,685	33,443
Bank owned life insurance	96,938	93,831
FDIC indemnification asset	23,174	52,798	91,089
Deposits	9,117,660	9,379,275	9,236,690
Securities sold under agreements to repurchase	224,882	137,075
Term debt	251,494	253,605
Junior subordinated debentures, at amortized cost	101,899	110,985
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for sale, at fair value	104,664	320,132
Estimated Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	790,423	543,787
Securities held to maturity	5,958	4,732
Non-covered loans and leases, net	7,250,596	6,652,179
Covered loans and leases, net	409,555	543,628
Restricted equity securities	30,685	33,443
Bank owned life insurance	96,938	93,831
FDIC indemnification asset	6,001	18,714
Visa Class B common stock	41,700	28,385
Securities sold under agreements to repurchase	224,882	137,075
Term debt	270,004	289,404
Junior subordinated debentures, at amortized cost	72,009	78,529
Estimated Fair Value [Member] \| Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	790,423	543,787
Securities held to maturity	0	0
Non-covered loans and leases, net	0	0
Covered loans and leases, net	0	0
Restricted equity securities	30,685	33,443
Bank owned life insurance	96,938	93,831
FDIC indemnification asset	0	0
Visa Class B common stock	0	0
Securities sold under agreements to repurchase	0	0
Term debt	0	0
Junior subordinated debentures, at amortized cost	0	0
Estimated Fair Value [Member] \| Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
Securities held to maturity	0	0
Non-covered loans and leases, net	0	0
Covered loans and leases, net	0	0
Restricted equity securities	0	0
Bank owned life insurance	0	0
FDIC indemnification asset	0	0
Visa Class B common stock	0	0
Securities sold under agreements to repurchase	224,882	137,075
Term debt	270,004	289,404
Junior subordinated debentures, at amortized cost	0	0
Estimated Fair Value [Member] \| Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
Securities held to maturity	5,958	4,732
Non-covered loans and leases, net	7,250,596	6,652,179
Covered loans and leases, net	409,555	543,628
Restricted equity securities	0	0
Bank owned life insurance	0	0
FDIC indemnification asset	6,001	18,714
Visa Class B common stock	41,700	28,385
Securities sold under agreements to repurchase	0	0
Term debt	0	0
Junior subordinated debentures, at amortized cost	72,009	78,529
Estimated Fair Value [Member] \| Non-Maturity Deposits [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits	7,580,192	7,376,288
Estimated Fair Value [Member] \| Non-Maturity Deposits [Member] \| Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits	7,580,192	7,376,288
Estimated Fair Value [Member] \| Non-Maturity Deposits [Member] \| Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits	0	0
Estimated Fair Value [Member] \| Non-Maturity Deposits [Member] \| Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits	0	0
Estimated Fair Value [Member] \| Deposits with Stated Maturities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits	1,545,640	2,020,358
Estimated Fair Value [Member] \| Deposits with Stated Maturities [Member] \| Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits	0	0
Estimated Fair Value [Member] \| Deposits with Stated Maturities [Member] \| Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits	1,545,640	2,020,358
Estimated Fair Value [Member] \| Deposits with Stated Maturities [Member] \| Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits	$ 0	$ 0

The carrying value as of the balance sheet date of junior subordinated debentures, at amortized cost.

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OtherCompanyStockOwned

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Term Debt

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The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

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For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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- Definition

Carrying amount of receivable assets originating from the indemnification agreement with the Federal Deposit Insurance Corporation (FDIC), in which the FDIC is to partially cover losses.

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- Definition

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Net carrying amount of loans and leases receivable covered by loss sharing agreements.

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Amount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement.

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