Investments in Affiliates (Effect Of Affiliate Transactions On Operating Statement) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenues	$ 9,363	$ 32,770	$ 55,946	$ 108,615
Elimination of Loral's proportionate share of profits relating to affiliate transactions	(2,438)	(4,136)	(16,463)	(11,329)
Profits relating to affiliate transactions not eliminated	$ 1,371	$ 2,328	$ 9,260	$ 6,377

This item represents the amount of unrealized intercompany profits and losses on transactions between the Entity and unconsolidated subsidiaries (including certain corporate joint ventures, and noncontrolled corporations), accounted for under the equity method of accounting, which have not been eliminated in preparing the Entity's financial statements.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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