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Leases - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 7 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Lessee, Lease, Description [Line Items] |  |  |  |  |
ROU liabilities | $ 43,562 |  | $ 48,037 | $ 43,562 |
Total rent payments |  |  |  | 9,870 | $ 9,819
ROU finance lease assets | $ 14,600 |  | $ 15,800 | $ 14,600 |
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Property, plant and equipment, net |  | Property, plant and equipment, net | Property, plant and equipment, net |
COVID-19 | Services |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Impairment of ROU assets |  |  |  |  | 200
Operating Lease Arrangement | Company's Headquarters |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
ROU liabilities | $ 3,100 |  | $ 3,800 | $ 3,100 |
Total rent payments | $ 300 | $ 100 |  | $ 1,000 | $ 500
Operating Lease Arrangement | Company's Headquarters | COVID-19 |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Percentage of reduction of rental payments |  |  | 20.00% |  |
Deferral period of rental payments |  |  | 90 days |  |

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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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