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Parent Company Financial Information (Condensed Statements of Financial Condition) (Parenthetical) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Condensed Financial Statements Captions Line Items |  |
Debt issuance costs | $ 778 | $ 1,089
Parent Company [Member] |  |
Condensed Financial Statements Captions Line Items |  |
Debt issuance costs | $ 778 | $ 1,089

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |