For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Segment Reporting (Details)	3 Months Ended
Segment Reporting (Details)	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Mobile Connectivity \| Product Concentration Risk \| Revenue from Contract with Customer Benchmark
Segment Reporting Information [Line Items]
Concentration risk	18.00%	20.00%
Mobile Connectivity \| Product Concentration Risk \| Revenue from Contract with Customer Benchmark \| VSAT Airtime Service Sales
Segment Reporting Information [Line Items]
Concentration risk	53.00%	50.00%
Intertial Navigation \| FOG System Sales
Segment Reporting Information [Line Items]
Percent of consolidated net sales	14.00%	13.00%
Non-US
Segment Reporting Information [Line Items]
Percent of consolidated net sales	58.00%	58.00%
Percent of consolidated long-lived tangible assets (less than)	10.00%		10.00%
Singapore
Segment Reporting Information [Line Items]
Percent of consolidated net sales	11.00%