For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Payments of cash to suppliers for goods and services during the current period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Balance Type:	credit
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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
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Balance Type:	debit
Period Type:	duration

- Definition

Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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Balance Type:	credit
Period Type:	duration

- Definition

Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
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Balance Type:	debit
Period Type:	duration

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
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Balance Type:	debit
Period Type:	duration

- 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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Balance Type:	na
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

- Definition

The number of microwave communication network joint ventures that the company makes payments to.

+ References

No definition available.

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Related Party Transactions (Details) $ / shares in Units, shares in Thousands, $ in Millions	1 Months Ended	12 Months Ended
	May 31, 2019 $ / shares shares	Dec. 31, 2020 USD ($) joint_venture	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Related Party Transaction [Line Items]
Due from related parties		$ 2.3	$ 1.3
Class A common stock \| Public Stock Offering
Related Party Transaction [Line Items]
Number of shares issued in transaction ( in shares) \| shares	9,000
Stock purchase price (in dollars per share) \| $ / shares	$ 22.00
Microwave communication network JVs
Related Party Transaction [Line Items]
Payments to related party		$ 18.7	19.9	$ 20.0
Number of microwave communication network JVs the Company makes payments to \| joint_venture		2
One Joint Venture \| Certain Assets Including Intangible Assets With Leases
Related Party Transaction [Line Items]
Net carrying value				1.1
Time of sale				0.6
Level 3
Related Party Transaction [Line Items]
Payments for purchases		$ 1.5	1.5	1.5
CSA \| Temasek Investment
Related Party Transaction [Line Items]
Related party costs		0.2	0.1
SBI
Related Party Transaction [Line Items]
Payments to related party		$ 16.7	$ 12.9	$ 9.5