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Pension And Other Liabilities (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Aug. 29, 2014
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total operating property | $ 306,657,000 | $ 353,125,000 |
Operating lease liabilities - current | 23,737,000 | 22,699,000 |
Accrued pension liability | 3,605,000 | 4,048,000 | $ 7,500,000
Benefit obligation, gross | $ 10,200,000 |  |
Discount rate | 4.25% |  |
Discount term | 15 years |  |
Monthly estate payment amount | $ 57,000 |  |
Discounted value | 2,700,000 |  |
Accumulated prior service cost | $ 3,100,000 |  |
Accumulated prior service cost amortization period | 15 years |  |
Accrued pension costs included in other liabilities | $ 4,300,000 | 4,700,000 |
Service cost | 0 | 0 |
Lease liability | 5,900,000 | $ 5,900,000 |
Chief Executive Officer [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Estimated amortization of prior service cost next fiscal year | 207,000 |  |
Supplemental Executive Retirement Plans [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accrued pension liability |  |  | $ 7,600,000
Village East Cinema [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Operating lease liabilities - current | 0.0 |  |
Village East Cinema [Member] | Sutton Hill Capital, LLC [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Purchase option | 5,900,000 |  |
Total operating property | 4,700,000 |  |
Operating lease liabilities - current | $ 5,900,000 |  |
Lease term | 10 years |  |

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