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Fair Value (Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2019
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Cash and Cash Equivalents, Fair Value Disclosure |  | $ 246,709,000 | $ 159,956,000
Investments, Fair Value Disclosure |  | 0 |
Mortgage loans held for sale |  | 48,300,000 | 12,300,000
Mortgage IRLCs |  | 2,900,000 | 221,000
Investment securities |  | 1,032,814,000 | 1,209,701,000
Loans Held-for-sale, Fair Value Disclosure |  | 48,265,000 | 12,278,000
Impaired Loan Fair Value |  | 16,226,000 | 2,090,000
Other Assets, Fair Value Disclosure |  | 7,168,180,000 | 6,426,869,000
Loans Receivable, Fair Value Disclosure |  | 7,235,549,000 | 6,441,458,000
Time deposits |  | 938,492,000 | 1,145,537,000
Other Liabilities, Fair Value Disclosure |  | 5,374,000 | 1,273,000
Deposits, Fair Value Disclosure |  | 943,866,000 | 1,146,810,000
Short Term Borrowings Fair Value |  | 320,435,000 | 230,657,000
Long-term debt |  | 142,849,000 | 200,726,000
Subordinated Debt Obligations, Fair Value Disclosure |  | 180,209,000 | 14,372,000
Unrealized Gain (Loss) on Cash Flow Hedging Instruments | $ 575,000 | 1,026,000 | 575,000
Debt Securities, Available-for-sale |  | 1,032,814,000 | 1,209,701,000
Fair Value, Inputs, Level 1 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Cash and Cash Equivalents, Fair Value Disclosure |  | 246,709,000 | 159,956,000
Mortgage IRLCs |  | 0 | 0
Other Liabilities, Fair Value Disclosure |  | 5,374,000 | 1,273,000
Deposits, Fair Value Disclosure |  | 5,374,000 | 1,273,000
Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage IRLCs |  | 2,878,000 | 221,000
Investment securities |  | 1,032,814,000 | 1,209,701,000
Loans Held-for-sale, Fair Value Disclosure |  | 48,265,000 | 12,278,000
Loans Receivable, Fair Value Disclosure |  | 51,143,000 | 12,499,000
Time deposits |  | 938,492,000 | 1,145,537,000
Deposits, Fair Value Disclosure |  | 938,492,000 | 1,145,537,000
Short Term Borrowings Fair Value |  | 320,435,000 | 230,657,000
Long-term debt |  | 142,849,000 | 200,726,000
Subordinated Debt Obligations, Fair Value Disclosure |  | 180,209,000 | 14,372,000
Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage IRLCs |  | 0 | 0
Impaired Loan Fair Value |  | 16,226,000 | 2,090,000
Other Assets, Fair Value Disclosure |  | 7,168,180,000 | 6,426,869,000
Loans Receivable, Fair Value Disclosure |  | 7,184,406,000 | 6,428,959,000
Fair Value, Recurring [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage loans held for sale |  | 48,265,000 | 12,278,000
Mortgage IRLCs |  | 2,878,000 | 221,000
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage loans held for sale |  | 48,265,000 | 12,278,000
Mortgage IRLCs |  | 2,878,000 | 221,000
US States and Political Subdivisions Debt Securities [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Debt Securities, Available-for-sale |  | 304,506,000 | 320,491,000
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investments, Fair Value Disclosure |  | 304,506,000 | 320,491,000
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investments, Fair Value Disclosure |  | 304,506,000 | 320,491,000
U S Government Sponsored Entities Asset Backed Securities [Member] | Fair Value, Recurring [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investments, Fair Value Disclosure |  | 726,297,000 | 889,210,000
U S Government Sponsored Entities Asset Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investments, Fair Value Disclosure |  | 726,297,000 | 889,210,000
Loans Receivable [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Swap |  | 4,503,000 | 1,870,000
Loans Receivable [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage IRLCs |  | 0 | 0
Loans Receivable [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage IRLCs |  | 4,503,000 | 1,870,000
Swap |  | 4,503,000 | 1,870,000
Loans Receivable [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage IRLCs |  | 0 | 0
Loans Receivable [Member] | Fair Value, Recurring [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage IRLCs |  | 4,503,000 | 1,870,000
Swap |  | 4,503,000 | 1,870,000
Loans Receivable [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage IRLCs |  | 4,503,000 | 1,870,000
Swap |  | 4,503,000 | 1,870,000
Equity Securities [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investment securities |  | 2,042,000 | 1,993,000
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investment securities |  | 1,558,000 | 1,537,000
Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investment securities |  | 484,000 | 456,000
Equity Securities [Member] | Fair Value, Recurring [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investments, Fair Value Disclosure |  | 2,042,000 | 1,993,000
Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investments, Fair Value Disclosure |  | 1,558,000 | 1,537,000
Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investments, Fair Value Disclosure |  | 484,000 | 456,000
Swap [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Swap |  | 226,000 | 226,000
Swap [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Unrealized Gain (Loss) on Cash Flow Hedging Instruments | $ 575,000 | 1,026,000 | 575,000
Swap [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Swap |  | 226,000 | 226,000
Swap [Member] | Fair Value, Recurring [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Swap |  | 226,000 | 226,000
Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Swap |  | 226,000 | 226,000
Corporate Debt Securities |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investments, Fair Value Disclosure |  | 2,011,000 |
Debt Securities, Available-for-sale |  | 2,011,000 |
Corporate Debt Securities | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investments, Fair Value Disclosure |  | 2,011,000 |
Reported Value Measurement [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Cash and Cash Equivalents, Fair Value Disclosure |  | 246,709,000 | 159,956,000
Mortgage IRLCs |  | 2,878,000 | 221,000
Investment securities |  | 1,032,814,000 | 1,209,701,000
Loans Held-for-sale, Fair Value Disclosure |  | 48,265,000 | 12,278,000
Impaired Loan Fair Value |  | 16,226,000 | 2,090,000
Other Assets, Fair Value Disclosure |  | 7,124,139,000 | 6,430,136,000
Loans Receivable, Fair Value Disclosure |  | 7,191,508,000 | 6,444,725,000
Time deposits |  | 931,201,000 | 1,139,131,000
Other Liabilities, Fair Value Disclosure |  | 5,374,000 | 1,273,000
Deposits, Fair Value Disclosure |  | 936,575,000 | 1,140,404,000
Short Term Borrowings Fair Value |  | 320,435,000 | 230,657,000
Long-term debt |  | 135,000,000 | 192,500,000
Subordinated Debt Obligations, Fair Value Disclosure |  | 187,668,000 | 15,000,000
Reported Value Measurement [Member] | Loans Receivable [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Mortgage IRLCs |  | 4,503,000 | 1,870,000
Swap |  | 4,503,000 | 1,870,000
Reported Value Measurement [Member] | Equity Securities [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Investment securities |  | 2,042,000 | 1,993,000
Reported Value Measurement [Member] | Swap [Member] |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |  |
Swap |  | $ 226,000 | $ 226,000

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121553693&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + 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 No definition available. + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 + 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://fasb.org/us-gaap/role/ref/legacyRef -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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 5D -Subparagraph (SX 210.12-13D(Column C)) -URI http://asc.fasb.org/extlink&oid=120401592&loc=SL120429264-123010 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column C)) -URI http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010 + 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + 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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