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Pension And Other Liabilities (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Aug. 29, 2014
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Total operating property |  | $ 257,667,000 |  | $ 264,724,000 |  |
Current capital lease liability | [1] | 5,900,000 |  | 5,900,000 |  |
Accrued pension costs |  | 4,670,000 | [2] | 5,228,000 | [2] | $ 7,500,000
Beneift obligation, gross |  | $ 10,200,000 |  |  |  |
Discount rate |  | 4.25% |  |  |  |
Discount term |  | 15 years |  |  |  |
Monthly estate payment amount |  | $ 56,944 |  |  |  |
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 |  | $ 5,400,000 |  | 8,100,000 |  |
Service cost |  | $ 0 |  | $ 0 |  |
Sutton Hill Capital, LLC [Member] |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Lease expiration date |  | Jun. 30, 2020 |  |  |  |
Purchase option |  | $ 5,900,000 |  |  |  |
Total operating property |  | 4,700,000 |  |  |  |
Current capital lease liability |  | 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 costs |  |  |  |  |  | $ 7,600,000
Minimum [Member] | Sutton Hill Capital, LLC [Member] |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Purchase option |  | $ 100,000 |  |  |  |
[1] | Represents the lease liability of the option associated with the ground lease purchase of the Village East Cinema. See below for more information.
[2] | Represents the pension liability associated with the Supplemental Executive Retirement Plan explained below.

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