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Summary Of Significant Accounting Policies (Narrative) (Details) | 12 Months Ended |
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Dec. 31, 2022 USD ($) item store $ / shares | Dec. 31, 2021 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |
Number Of Subsidiaries | item | 1 |
Number of Stores | store | 22 |
Restricted stock | $ 644,000 | $ 495,000
Restricted stock per share | $ / shares | $ 100 |
Derivative Liability, Not Subject to Master Netting Arrangement | $ 0 |
Fair value of trust assets under management | 1,000,000,000.0 | 1,100,000,000
Loans modified | 2,950,000 | $ 5,564,000
Federal Home Loan Bank of Pittsburgh [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Restricted stock | 644,000 |
FHLB [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Restricted stock | 30,000 |
Maximum [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Commercial Loans Not Included In Reserve Analysis | $ 250,000,000 |

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- Definition The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(b)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Fair value of 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, not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123599499&loc=d3e63345-112809 + Details
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