Fathom OpCo Predecessor Period Acquisitions - Summit and PPC - Summary of Intangible Assets Acquired in Acquisition (Details) - USD ($) $ in Thousands |
Apr. 30, 2021 |
Feb. 01, 2021 |
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| P P C [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Acquisition Date Fair Value | $ 14,200 | |
| Summit [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Acquisition Date Fair Value | $ 5,000 | |
| Trade Names [Member] | P P C [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Acquisition Date Fair Value | $ 1,100 | |
| Estimated Life (Years) | 5 years | |
| Trade Names [Member] | Summit [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Acquisition Date Fair Value | $ 400 | |
| Estimated Life (Years) | 5 years | |
| Customer Relationships [Member] | P P C [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Acquisition Date Fair Value | $ 13,100 | |
| Estimated Life (Years) | 17 years | |
| Customer Relationships [Member] | Summit [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Acquisition Date Fair Value | $ 4,600 | |
| Estimated Life (Years) | 11 years |
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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