Earnings Per Share (Schedule of Dilutive Impact of Equity Method Investee Stock Options) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Income (loss) from continuing operations - basic	$ 9,677	$ 134,469
Less: Adjustment for dilutive effect of Telesat stock options		(1,194)
Income (loss) from continuing operations - diluted	$ 9,677	$ 133,275

Amount after tax of income (loss) from continuing operations attributable to the parent.

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