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Other Liabilities (Summary Of Other Liabilities Including Pension) (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
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Other Liabilities [Abstract] |  |
Accrued pension | $ 684 | $ 684
Security deposit payable | 111 | 68
Finance lease liabilities | 11 | 28
Other | 33 | 33
Other current liabilities | 839 | 813
Lease make-good provision | 6,054 | 6,131
Accrued pension | 2,952 | 3,138
Deferred rent liability | 2,057 | 2,484
Environmental reserve | 1,656 | 1,656
Lease liability | 5,900 | 5,900
Acquired leases | 8 | 11
Other non-current liabilities | $ 18,627 | $ 19,320

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- Definition Acquired Leases, Noncurrent + References No definition available. + Details
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