Satellite Network and Other Equipment, Net - Summary of Satellite Network and Other Equipment, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Satellite network and other equipment, gross	$ 327,859	$ 334,833
Less: accumulated depreciation and amortization	(209,965)	(207,296)
Satellite network and other equipment, net	117,894	127,537
Land [Member]
Property Plant And Equipment [Line Items]
Satellite network and other equipment, gross	381	381
Satellite Network [Member]
Property Plant And Equipment [Line Items]
Satellite network and other equipment, gross	187,476	200,279
Capitalized Software [Member]
Property Plant And Equipment [Line Items]
Satellite network and other equipment, gross	98,842	96,261
Computer Hardware [Member]
Property Plant And Equipment [Line Items]
Satellite network and other equipment, gross	7,514	7,351
Other [Member]
Property Plant And Equipment [Line Items]
Satellite network and other equipment, gross	19,349	17,816
Assets under Construction [Member]
Property Plant And Equipment [Line Items]
Satellite network and other equipment, gross	$ 14,297	$ 12,745

Satellite network and other equipment, net.

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.14)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount before accumulated depreciation, depletion and amortization of 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, and furniture and fixtures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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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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