Discontinued Operations - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating activities:
Net income (loss) from discontinued operations	$ 0	$ 2,008	$ 0	$ 46,223
Financing activities:
Payment of finance lease obligations			606	29,135
Payment of in-orbit incentive obligations			$ 1,268	5,269
BSS Business | Discontinued Operations
Operating activities:
Net income (loss) from discontinued operations		2,008		46,223
Depreciation and amortization		$ 27,048		97,435
Investing activities:
Expenditures for property and equipment				510
Financing activities:
Payment of finance lease obligations				27,203
Payment of in-orbit incentive obligations				$ 4,474