Related Party Transactions - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Principal Owner
Related Party Transaction [Line Items]
Spectrum Acquisition, tax preparation and other fees	$ 0.7
Principal Owner \| Minimum \| Spectrum Inc.
Related Party Transaction [Line Items]
Non controlling ownership interest minimum	5.00%
C Technologies
Related Party Transaction [Line Items]
Tax payable	$ 0.5
Income tax paid	$ 0.3	$ 1.6

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 220
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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.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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