Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (25,829)us-gaap_ProfitLoss	$ 16,579us-gaap_ProfitLoss	$ 421,091us-gaap_ProfitLoss
Unrealized gain (loss) on derivatives			1,306
Unrealized gain (loss) on investments			(580)
Post-retirement benefits	(4,811)	8,482	115,042
Proportionate share of Telesat other comprehensive income (loss)	(3,494)	7,996	1,313
Other comprehensive income (loss), Net-of-Tax Amount	(8,305)	16,478	117,081
Comprehensive income	(34,134)	33,057	538,172
Comprehensive loss attributable to noncontrolling interest			231
Comprehensive income (loss) attributable to Loral common shareholders	$ (34,134)us-gaap_ComprehensiveIncomeNetOfTax	$ 33,057us-gaap_ComprehensiveIncomeNetOfTax	$ 538,403us-gaap_ComprehensiveIncomeNetOfTax

Other Comprehensive Income Proportionate Share Equity Method Investee Net Of Tax Portion Attributable To Parent.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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