Business Combinations - Level 3 Rollforward (Details) - Yahsat $ in Thousands	Nov. 30, 2019 USD ($)
Business Acquisition [Line Items]
Acquired assets	$ 53,861
Satellite payload
Business Acquisition [Line Items]
Acquired assets	49,363
Regulatory authorization
Business Acquisition [Line Items]
Acquired assets	$ 4,498

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant