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Fair Value Measurements (Schedule Of Estimates Of Fair Value Of Financial Instruments) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |
Available-for-sale Securities | $ 1,178,789 | $ 810,106
Debt Securities, Held-to-maturity, Fair Value |  | 50,598
Marketable Securities | 1,206,161 | 887,632
Carrying Amount |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |
Cash and Cash Equivalents, Fair Value Disclosure | 528,659 | 140,144
Available-for-sale Securities | 1,178,789 | 810,106
Debt Securities, Held-to-maturity, Fair Value |  | 49,036
Marketable Securities | 11,839 | 12,634
Loans Receivable, Fair Value Disclosure | 3,597,570 | 3,604,510
Accrued Interest Receivable Fair Value Disclosure | 15,793 | 11,569
Derivative Asset | 53,166 | 19,310
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |
Deposits, Fair Value Disclosure | 4,652,216 | 4,075,894
Short-term Debt, Fair Value | 295,956 | 211,255
Long-term Debt, Fair Value |  | 4,056
Accrued Interest Payable Fair Value Disclosure | 1,586 | 2,849
Derivative Liability | 53,288 | 19,380
Fair Value |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |
Cash and Cash Equivalents, Fair Value Disclosure | 528,659 | 140,144
Available-for-sale Securities | 1,178,789 | 810,106
Debt Securities, Held-to-maturity, Fair Value |  | 50,598
Marketable Securities | 11,839 | 12,634
Loans Receivable, Fair Value Disclosure | 3,578,013 | 3,574,435
Accrued Interest Receivable Fair Value Disclosure | 15,793 | 11,569
Derivative Asset | 53,166 | 19,310
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |
Deposits, Fair Value Disclosure | 4,665,905 | 4,094,493
Short-term Debt, Fair Value | 295,956 | 211,255
Long-term Debt, Fair Value |  | 4,124
Accrued Interest Payable Fair Value Disclosure | 1,586 | 2,849
Derivative Liability | 53,288 | 19,380
Level 1 |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |
Cash and Cash Equivalents, Fair Value Disclosure | 528,659 | 140,144
Available-for-sale Securities | 0 | 0
Debt Securities, Held-to-maturity, Fair Value |  | 0
Marketable Securities | 6,800 | 7,787
Loans Receivable, Fair Value Disclosure | 0 | 0
Accrued Interest Receivable Fair Value Disclosure | 15,793 | 11,569
Derivative Asset | 0 | 0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |
Deposits, Fair Value Disclosure | 3,392,194 | 2,711,323
Short-term Debt, Fair Value | 0 | 0
Long-term Debt, Fair Value |  | 0
Accrued Interest Payable Fair Value Disclosure | 1,586 | 2,849
Derivative Liability | 0 | 0
Level 2 |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |
Cash and Cash Equivalents, Fair Value Disclosure | 0 | 0
Available-for-sale Securities | 1,169,954 | 810,106
Debt Securities, Held-to-maturity, Fair Value |  | 50,598
Marketable Securities | 5,039 | 4,847
Loans Receivable, Fair Value Disclosure | 0 | 0
Accrued Interest Receivable Fair Value Disclosure | 0 | 0
Derivative Asset | 53,166 | 19,310
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |
Deposits, Fair Value Disclosure | 1,273,711 | 1,383,170
Short-term Debt, Fair Value | 295,956 | 211,255
Long-term Debt, Fair Value |  | 4,124
Accrued Interest Payable Fair Value Disclosure | 0 | 0
Derivative Liability | 53,288 | 19,380
Level 3 |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |
Cash and Cash Equivalents, Fair Value Disclosure | 0 | 0
Available-for-sale Securities | 8,835 | 0
Debt Securities, Held-to-maturity, Fair Value |  | 0
Marketable Securities | 0 | 0
Loans Receivable, Fair Value Disclosure | 3,578,013 | 3,574,435
Accrued Interest Receivable Fair Value Disclosure | 0 | 0
Derivative Asset | 0 | 0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |
Deposits, Fair Value Disclosure | 0 | 0
Short-term Debt, Fair Value | 0 | 0
Long-term Debt, Fair Value |  | 0
Accrued Interest Payable Fair Value Disclosure | 0 | 0
Derivative Liability | $ 0 | $ 0

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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 Fair value of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 Reference 2: 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 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121645371&loc=SL120269820-111563 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + 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 Amount of investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity 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. This item represents the amount of short-term debt existing as of the balance sheet date. + References No definition available. + Details
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