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Fair Value (Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
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Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Cash and Cash Equivalents, Fair Value Disclosure | $ 391,772 | $ 146,466
Mortgage loans held for sale | 6,722 | 10,413
Investment securities | 1,502,552 | 1,514,811
Loans Held-for-sale, Fair Value Disclosure | 6,722 | 10,413
Impaired Loan Fair Value | 4,319 | 5,983
Other Assets, Fair Value Disclosure | 5,185,883 | 5,161,919
Loans Receivable, Fair Value Disclosure | 5,197,158 | 5,178,439
Noninterest Bearing Deposit Liabilities Fair Value | 1,548,363 | 1,523,417
Interest bearing transactions accounts | 1,310,575 | 1,174,448
Savings accounts | 1,928,507 | 1,704,920
Time deposits | 1,133,360 | 1,122,598
Other Liabilities, Fair Value Disclosure | 2,706 | 1,301
Deposits, Fair Value Disclosure | 5,923,511 | 5,526,684
Short Term Borrowings Fair Value | 219,863 | 394,795
Long-term debt | 760,798 | 712,958
Subordinated Debt Obligations, Fair Value Disclosure | 43,786 | 40,903
Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Cash and Cash Equivalents, Fair Value Disclosure | 391,772 | 146,466
Mortgage IRLCs | 0 | 0
Investment securities | 2,621 | 2,644
Noninterest Bearing Deposit Liabilities Fair Value | 1,548,363 | 1,523,417
Interest bearing transactions accounts | 1,310,575 | 1,174,448
Savings accounts | 1,928,507 | 1,704,920
Other Liabilities, Fair Value Disclosure | 2,706 | 1,301
Deposits, Fair Value Disclosure | 4,790,151 | 4,404,086
Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage IRLCs | 234 | 124
Investment securities | 1,499,155 | 1,511,377
Loans Held-for-sale, Fair Value Disclosure | 6,722 | 10,413
Loans Receivable, Fair Value Disclosure | 6,956 | 10,537
Time deposits | 1,133,360 | 1,122,598
Deposits, Fair Value Disclosure | 1,133,360 | 1,122,598
Short Term Borrowings Fair Value | 219,863 | 394,795
Long-term debt | 760,798 | 712,958
Subordinated Debt Obligations, Fair Value Disclosure | 43,786 | 40,903
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage IRLCs | 0 | 0
Investment securities | 776 | 790
Impaired Loan Fair Value | 4,319 | 5,983
Other Assets, Fair Value Disclosure | 5,185,883 | 5,161,919
Loans Receivable, Fair Value Disclosure | 5,190,202 | 5,167,902
Fair Value Swap [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Swap | 226 | 226
Fair Value Swap [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Swap | 226 | 226
Fair Value, Measurements, Recurring [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage loans held for sale | 6,722 | 10,413
Mortgage IRLCs | 234 | 124
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage loans held for sale | 6,722 | 10,413
Mortgage IRLCs | 234 | 124
Fair Value, Measurements, Recurring [Member] | Obligations Of U.S. Treasury And Other U.S. Government Sponsored Entities [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment securities | 268,421 | 267,533
Fair Value, Measurements, Recurring [Member] | Obligations Of U.S. Treasury And Other U.S. Government Sponsored Entities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment securities | 268,421 | 267,533
Fair Value, Measurements, Recurring [Member] | U.S. Government Sponsored Entities' Asset-Backed Securities [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment securities | 947,579 | 987,172
Fair Value, Measurements, Recurring [Member] | U.S. Government Sponsored Entities' Asset-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment securities | 947,579 | 987,172
Fair Value, Measurements, Recurring [Member] | Other Equity Securities [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment securities | 3,397 | 3,434
Fair Value, Measurements, Recurring [Member] | Other Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment securities | 2,621 | 2,644
Fair Value, Measurements, Recurring [Member] | Other Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment securities | 776 | 790
Fair Value, Measurements, Recurring [Member] | Fair Value Swap [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Swap | 226 | 226
Fair Value, Measurements, Recurring [Member] | Fair Value Swap [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Swap | 226 | 226
Available-for-sale Securities [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued interest receivable | 4,179 | 3,849
Available-for-sale Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued interest receivable | 4,179 | 3,849
Loans Receivable [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued interest receivable | 14,449 | 14,973
Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued interest receivable | 14,449 | 14,973
Deposits [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued Liabilities, Fair Value Disclosure | 901 | 900
Deposits [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued Liabilities, Fair Value Disclosure | 46 | 82
Deposits [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued Liabilities, Fair Value Disclosure | 855 | 818
Borrowings [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued Liabilities, Fair Value Disclosure | 1,288 | 1,251
Borrowings [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued Liabilities, Fair Value Disclosure |  | 1
Borrowings [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Accrued Liabilities, Fair Value Disclosure | $ 1,288 | $ 1,250

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- Definition Interest Bearing Deposit Liabilities Fair Value + References No definition available. + Details
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- Definition Fair value portion of accrued expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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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 -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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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. + Details
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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 + Details
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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 liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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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 FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12.Column C.3,4) -URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-12C.Column C.7) -URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14.Column E.2,3) -URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13.Column C.6) -URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611282-123010 + Details
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e24584-111560 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Available-for-Sale Securities -URI http://asc.fasb.org/extlink&oid=6505594 + Details
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