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Borrowings (Minetta And Orpheum Theatres Loan) (Narrative) (Details) - USD ($) $ in Thousands |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 12, 2018 | Sep. 30, 2021 | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |  |  |
Loan amount |  | $ 269,953 |  | $ 300,449 |
Minetta And Orpheum Theatres Loan [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Loan amount | $ 7,500 | $ 8,000 | [1] | $ 8,000 | [1]
Minetta And Orpheum Theatres Loan [Member] | Santander Bank [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Loan amount | $ 8,000 |  |  |  |
Debt instrument term |  | 5 years |  |  |
[1] | The interest rate derivative associated with the Minetta & Orpheum loan provides for an effective fixed rate of 5.15%.

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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 Period of time between issuance and maturity of debt instrument, 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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- Details
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- Details
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