Fair Value (Fair Value Of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and money market instruments	$ 314,874	$ 201,305
Investment securities	1,329,424	1,525,159
Mortgage loans held for sale	6,571	25,743
Impaired loans carried at fair value	38,455	53,900
Other loans	4,483,723	4,348,705
Loans receivable, net	4,528,855	4,428,752
Noninterest bearing checking accounts	1,109,194	1,137,290
Interest bearing transactions accounts	1,261,190	1,088,617
Savings accounts	1,099,604	1,038,356
Time deposits	1,381,829	1,458,793
Other	5,386	1,345
Total deposits	4,857,203	4,724,401
Short-term borrowings	272,505	344,168
Long-term debt	863,052	861,466
Subordinated debentures/notes	84,076	79,503
Fair Value Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swap	135	135
Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and money market instruments	314,874	201,305
Investment securities	1,323,480	1,515,844
Mortgage loans held for sale	6,571	25,743
Derivative Assets	106	372
Impaired loans carried at fair value	38,455	53,932
Other loans	4,470,511	4,314,738
Loans receivable, net	4,515,643	4,394,785
Noninterest bearing checking accounts	1,109,194	1,137,290
Interest bearing transactions accounts	1,261,190	1,088,617
Savings accounts	1,099,604	1,038,356
Time deposits	1,375,318	1,450,424
Other	5,386	1,345
Total deposits	4,850,692	4,716,032
Short-term borrowings	272,505	344,168
Long-term debt	809,336	781,658
Subordinated debentures/notes	80,250	80,250
Carrying Value [Member] \| Fair Value Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swap	135	135
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and money market instruments	314,874	201,305
Investment securities	1,739	1,442
Mortgage loans held for sale
Derivative Assets	0
Impaired loans carried at fair value
Other loans
Loans receivable, net
Noninterest bearing checking accounts	1,109,194	1,137,290
Interest bearing transactions accounts	1,261,190	1,088,617
Savings accounts	1,099,604	1,038,356
Time deposits
Other	5,386	1,345
Total deposits	3,475,374	3,265,608
Short-term borrowings
Long-term debt
Subordinated debentures/notes
Level 1 [Member] \| Fair Value Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swap
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and money market instruments
Investment securities	1,326,932	1,522,937
Mortgage loans held for sale	6,571	25,743
Derivative Assets	106	372
Impaired loans carried at fair value
Other loans
Loans receivable, net	6,677	26,115
Noninterest bearing checking accounts
Interest bearing transactions accounts
Savings accounts
Time deposits	1,381,829	1,458,793
Other
Total deposits	1,381,829	1,458,793
Short-term borrowings	272,505	344,168
Long-term debt	863,052	861,466
Subordinated debentures/notes	84,076	79,503
Level 2 [Member] \| Fair Value Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swap
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and money market instruments
Investment securities	753	780
Mortgage loans held for sale
Derivative Assets	0
Impaired loans carried at fair value	38,455	53,932
Other loans	4,483,723	4,348,705
Loans receivable, net	4,522,178	4,402,637
Noninterest bearing checking accounts
Interest bearing transactions accounts
Savings accounts
Time deposits
Other
Total deposits
Short-term borrowings
Long-term debt
Subordinated debentures/notes
Level 3 [Member] \| Fair Value Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swap	135	135
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	106	372
Impaired loans carried at fair value		53,932
Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable	4,196	6,122
Securities [Member] \| Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable	4,196	6,122
Securities [Member] \| Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable
Securities [Member] \| Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable	4,196	6,122
Securities [Member] \| Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable
Loans [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable	13,758	13,588
Loans [Member] \| Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable	13,758	13,588
Loans [Member] \| Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable
Loans [Member] \| Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable		2
Loans [Member] \| Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest receivable	13,758	13,586
Deposits [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable	1,703	1,960
Deposits [Member] \| Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable	1,703	1,960
Deposits [Member] \| Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable	16	21
Deposits [Member] \| Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable	1,687	1,939
Deposits [Member] \| Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable
Debt/Borrowings [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable	1,493	1,499
Debt/Borrowings [Member] \| Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable	1,493	1,499
Debt/Borrowings [Member] \| Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable	12	8
Debt/Borrowings [Member] \| Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable	1,481	1,491
Debt/Borrowings [Member] \| Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest payable

Accrued Interest Receivable At Fair Value

No definition available.

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- Definition

Impaired Loan Fair Value

+ References

No definition available.

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- Definition

Interest Bearing Deposit Liabilities Fair Value

+ References

No definition available.

+ Details

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- Definition

Interest Bearing Domestic Deposit Savings Fair Value

+ References

No definition available.

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- Definition

Noninterest Bearing Deposit Liabilities Fair Value

+ References

No definition available.

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- Definition

Short Term Borrowings Fair Value

+ References

No definition available.

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- Definition

Time Deposits Fair Value

+ References

No definition available.

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- Definition

Fair value portion of accrued expenses.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

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-Publisher FASB

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-Topic 210

-SubTopic 10

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Equivalents

-URI http://asc.fasb.org/extlink&oid=6507016

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- Definition

Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

+ References

No definition available.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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-Publisher FASB

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-SubTopic 10

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-Paragraph 10

-Subparagraph (a)

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a),(b)

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- Definition

Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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-Number 210

-Section 12C

-Paragraph 7

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+ Details

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Balance Type:	debit
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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Glossary Loan

-URI http://asc.fasb.org/extlink&oid=6517073

+ Details

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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- Definition

Fair value portion of mortgage loans held-for-sale.

+ References

No definition available.

+ Details

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- Definition

Fair value portion of other assets.

+ References

No definition available.

+ Details

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- Definition

Fair value portion of other liabilities.

+ References

No definition available.

+ Details

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