CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ (57,737)	$ 15,008
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	132,368	154,221
Losses (gains) on investments, net	46,672	(6,418)
Equity in losses (earnings) of unconsolidated affiliates, net	(2,613)	6,353
Foreign currency transaction losses (gains), net	10,844	1,160
Deferred tax provision (benefit), net	(10,064)	6,455
Stock-based compensation	2,384	2,628
Amortization of debt issuance costs	1,050	2,010
Other, net	(4,899)	1,754
Changes in assets and liabilities, net:
Trade accounts receivable and contract assets, net	(7,664)	(19,231)
Other current assets, net	(16,127)	(10,370)
Trade accounts payable	(9,559)	8,831
Contract liabilities	(3,212)	17,896
Accrued expenses and other current liabilities	(4,922)	(9,914)
Non-current assets and non-current liabilities, net	(5,226)	5,563
Net cash flows from operating activities	71,295	175,946
Cash flows from investing activities:
Purchases of marketable investment securities	(550,891)	(325,557)
Sales and maturities of marketable investment securities	687,579	712,666
Purchase of other investments	(5,500)	0
Expenditures for property and equipment	(104,604)	(111,962)
Expenditures for externally marketed software	(8,638)	(7,600)
Net cash flows from investing activities	17,946	267,547
Cash flows from financing activities:
Repurchase of the 2019 Senior Secured Notes	0	(8,046)
Payment of finance lease obligations	(215)	(9,882)
Payment of in-orbit incentive obligations	(801)	(1,573)
Net proceeds from Class A common stock options exercised	150	2,047
Net proceeds from Class A common stock issued under the Employee Stock Purchase Plan	2,924	2,749
Treasury share purchase	(5,893)	0
Contribution by non-controlling interest holder	4,000	0
Purchase of non-controlling interest	0	(7,313)
Other, net	817	(131)
Net cash flows from financing activities	982	(22,149)
Effect of exchange rates on cash and cash equivalents	(4,809)	(133)
Net increase (decrease) in cash and cash equivalents	85,414	421,211
Cash and cash equivalents, including restricted amounts, beginning of period	1,521,889	929,495
Cash and cash equivalents, including restricted amounts, end of period	$ 1,607,303	$ 1,350,706