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Asset Retirement Obligations | 9 Months Ended
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Sep. 30, 2021
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligations | ASSET RETIREMENT OBLIGATIONS The components of the changes in the asset retirement obligation liabilities were:
(Dollars in thousands) |  | Short-Term Portion |  | Long-Term Portion |  | Total
Balance at December 31, 2020 |  | $ | 335 |  |  | $ | 7,289 |  |  | $ | 7,624 |
Accretion |  | (94) |  |  | 556 |  |  | 462 |
Amounts paid |  | (184) |  |  | — |  |  | (184) |
Reclassifications |  | 395 |  |  | (395) |  |  | — |
Balance at September 30, 2021 |  | $ | 452 |  |  | $ | 7,450 |  |  | $ | 7,902 |
The short-term portion of the balance above is included within other current liabilities in the Condensed Consolidated Balance Sheets at September 30, 2021, and December 31, 2020. The cost associated with the estimated removal costs and timing refinements due to ongoing network rationalization activities is expected to accrete to a total liability of $9.3 million. The total estimated liability is based on the transmitter locations remaining after we have consolidated the number of networks we operate and assume the underlying leases continue to be renewed to that future date. Accretion expense related solely to asset retirement obligations and was recorded based on the interest method.

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2175671 + Details
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