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Commitments and Contingencies (Schedule Of Commitments And Contingencies) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Loss Contingencies [Line Items] |  |
Commitments and contingent liabilities |  |
Commitments to extend credit |  |
Loss Contingencies [Line Items] |  |
Commitments and contingent liabilities | 11,963,019 |
Forward sales commitments |  |
Loss Contingencies [Line Items] |  |
Commitments and contingent liabilities | 61,000 | 104,000
Commitments to originate residential mortgage loans held for sale |  |
Loss Contingencies [Line Items] |  |
Commitments and contingent liabilities | 39,898 | $ 56,100
Standby letters of credit |  |
Loss Contingencies [Line Items] |  |
Commitments and contingent liabilities | $ 155,886 |

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- Definition Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a),19) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.17) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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