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Asset Retirement Obligations (Tables) | 9 Months Ended
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Sep. 30, 2025
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Changes in Asset Retirement Obligations | The following table provides a summary of the changes in the Company’s carrying value of its ARO:
(in thousands) |  | Amount |
Balance at January 1, 2025 |  | $ | 23,344 |
Revision of estimated decommissioning costs |  |  | (4,727 | )
Remediation costs |  |  | (1,079 | )
Reclassification to liabilities held-for-sale(1) |  |  | (17,771 | )
Accretion expense |  |  | 370 |
Balance at September 30, 2025 |  | $ | 137 |
(1) Amount reclassified to liabilities held for sale as a result of the pending sale of the assets and liabilities associated with the Company’s SPECT business. See Note 8, “Assets and Liabilities Held for Sale” for more information.

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
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