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Segments and Related Information - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2021 USD ($) segment	Jun. 30, 2020
Segment Reporting [Abstract]
Number of reportable segments | segment	3
Segment Reporting Information [Line Items]
Revenue, remaining performance obligation | $	$ 158
Revenue, remaining performance obligation, percentage of obligations, remaining fiscal year	33.00%
Revenue, remaining performance obligation, percentage of obligations, remaining in year two	33.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01
Segment Reporting Information [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Transferred over Time
Segment Reporting Information [Line Items]
Revenue from contract with customer, percentage of revenue	61.00%	63.00%

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
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