Discontinued Operations - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Net income (loss) from discontinued operations	$ 0	$ 24,968	$ 0	$ 44,215
Financing activities:
Payment of finance lease obligations			421	20,008
Payment of in-orbit incentive obligations			$ 1,021	3,778
BSS Business | Discontinued Operations
Operating activities:
Net income (loss) from discontinued operations		24,968		44,215
Depreciation and amortization		$ 35,144		70,387
Investing activities:
Expenditures for property and equipment				244
Financing activities:
Payment of finance lease obligations				19,457
Payment of in-orbit incentive obligations				$ 3,127