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Equity method investment, Operating lease liability.

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Interest rate stated in the Senior notes contractual debt agreement entered into by equity method investee.

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Senior notes issued by equity method investee.

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Equity method investment term loan borrowings.

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Equity method investment voting interest percentage.

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Other Comprehensive Income Proportionate Share Equity Method Investee Before Tax Portion Attributable To Parent

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Date the debt instrument was issued, in CCYY-MM-DD format.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Gross amount of debt extinguished.

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The increase (decrease) during the reporting period in receivables to be collected from an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership.

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Investments in Affiliates (Narrative) (Details) - USD ($) $ in Thousands					3 Months Ended			6 Months Ended
	Jul. 02, 2020	Dec. 06, 2019	Oct. 11, 2019	Jan. 01, 2019	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates					$ 63,234			$ 63,234		$ 90,184
Accumulated other comprehensive loss					(40,803)			(40,803)		$ (54,914)
Equity in Telesat-related other comprehensive income (loss), Before-Tax Amount					$ (17,454)		$ (6,861)	$ 13,609	$ (13,450)
Telesat Canada [Member]
Investments in and Advances to Affiliates [Line Items]
Economic interest in affiliate					62.70%			62.70%		62.70%
Voting interest in affiliate					32.60%			32.60%		32.60%
Investments in affiliates					$ 63,234			$ 63,234		$ 90,184
Operating lease right of use asset				$ 19,600
Operating lease liability				$ 20,000
Equity in Telesat-related other comprehensive income (loss), Before-Tax Amount								13,600
Annual Consulting fees payable in cash								5,000
XTAR, LLC [Member]
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates					$ 0			$ 0		0
Percentage of ownership interest					56.00%			56.00%
Globalstar de Mexico [Member]
Investments in and Advances to Affiliates [Line Items]
Investments in affiliates					$ 0			$ 0		0
Senior Notes 8.875% [Member] \| Telesat Canada [Member]
Investments in and Advances to Affiliates [Line Items]
Interest on notes			8.875%
Extinguishment of debt, amount			$ 500,000
Debt instrument, repurchase date			Oct. 11, 2019
Indenture maturity date			Nov. 15, 2024
Senior Notes 6.500% [Member] \| Telesat Canada [Member]
Investments in and Advances to Affiliates [Line Items]
Interest on notes			6.50%
Debt instrument, issuance date			Oct. 11, 2019
Indenture maturity date			Oct. 01, 2027
Senior notes issued and outstanding			$ 550,000
Senior secured notes 4.875% [Member] \| Telesat Canada [Member]
Investments in and Advances to Affiliates [Line Items]
Interest on notes		4.875%
Indenture maturity date		Jun. 01, 2027
Senior notes issued and outstanding		$ 400,000
Equity Method Investment Revolving Credit [Member] \| Telesat Canada [Member]
Investments in and Advances to Affiliates [Line Items]
Revolving credit borrowings		$ 200,000
Indenture maturity date		Dec. 01, 2024
Equity Method Investment Senior Secured Credit Facility [Member] \| Telesat Canada [Member]
Investments in and Advances to Affiliates [Line Items]
Minimum total leverage ratio					4.50			4.50
Minimum total leverage ratio to incur debt and make payments					4.99			4.99
Term Loan B - U.S. Facility [Member] \| Telesat Canada [Member]
Investments in and Advances to Affiliates [Line Items]
Term loan borrowings		$ 1,908,500
Debt instrument, issuance date		Dec. 06, 2019
Indenture maturity date		Dec. 01, 2026
Former Term Loan B - U.S. Facility [Member] \| Telesat Canada [Member]
Investments in and Advances to Affiliates [Line Items]
Term loan borrowings		$ 0
Debt instrument, repurchase date		Dec. 06, 2019
Transaction, Management Agreement [Member] \| XTAR, LLC [Member]
Investments in and Advances to Affiliates [Line Items]
Amount due to Loral under the Loral Management Agreement					$ 6,600			$ 6,600		6,700
Amount of doubtful accounts receivable					$ 6,600			$ 6,600		$ 6,600
Transaction, Management Agreement [Member] \| XTAR, LLC [Member] \| Subsequent Event [Member]
Investments in and Advances to Affiliates [Line Items]
Increase (decrease) due from affiliates	$ (5,900)
Restatement Adjustment [Member] \| Telesat Canada [Member]
Investments in and Advances to Affiliates [Line Items]
Equity in Telesat-related other comprehensive income (loss), Before-Tax Amount						$ (22,100)