Business Combinations - Acquired Intangibles (Details) - USD ($) $ in Thousands		12 Months Ended
Aug. 21, 2020	Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (Years)		5 years
Advanced Technical Solutions
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 1,295
Weighted Average Life (Years)	7 years
Advanced Technical Solutions \| Brand
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 33
Weighted Average Life (Years)	1 year
Advanced Technical Solutions \| Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 767
Weighted Average Life (Years)	5 years
Advanced Technical Solutions \| Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 495
Weighted Average Life (Years)	10 years

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

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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