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Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Accounting Policies [Line Items] |  |
Securities sold under agreements to repurchase with original maturities exceeding three months | $ 0 | $ 700,000,000
Other real estate owned, excluding covered other real estate owned | 9,900,000 | 4,300,000
Bank-owned life insurance | $ 157,300,000 | $ 157,700,000
Minimum |  |
Accounting Policies [Line Items] |  |
Tax benefit realized on settlement | 50.00% |
Maximum |  |
Accounting Policies [Line Items] |  |
Lease term | 7 years |
Intangible assets with finite lives, amortization period | 20 years |
Furniture, fixtures and equipment | Minimum |  |
Accounting Policies [Line Items] |  |
Premises and equipment, useful lives | 2 years |
Furniture, fixtures and equipment | Maximum |  |
Accounting Policies [Line Items] |  |
Premises and equipment, useful lives | 15 years |
Software and computer-related equipment | Minimum |  |
Accounting Policies [Line Items] |  |
Premises and equipment, useful lives | 2 years |
Software and computer-related equipment | Maximum |  |
Accounting Policies [Line Items] |  |
Premises and equipment, useful lives | 7 years |
Buildings and improvements | Minimum |  |
Accounting Policies [Line Items] |  |
Premises and equipment, useful lives | 7 years |
Buildings and improvements | Maximum |  |
Accounting Policies [Line Items] |  |
Premises and equipment, useful lives | 39 years |
Land improvements |  |
Accounting Policies [Line Items] |  |
Premises and equipment, useful lives | 15 years |

X
- Definition Carrying amount of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(1)(i)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(1)(ii)(A)(i)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Carrying amount of other real estate not covered by loss sharing agreements not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations that may also be included in real estate owned. Excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure by banks. + References No definition available. + Details
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