Business Combinations - Assets and Liabilities Acquired (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Nov. 30, 2019
Assets:
Goodwill	$ 509,315	$ 506,953
Yahsat
Assets:
Cash and cash equivalents			$ 7,858
Other current assets, net			7,106
Property and equipment			86,983
Regulatory authorization			53,861
Goodwill			6,328
Other non-current assets, net			1,502
Total assets			114,275
Liabilities:
Trade accounts payable			3,879
Accrued expenses and other current liabilities			4,796
Total liabilities			8,675
Total purchase price			105,600
Regulatory authorization | Yahsat
Assets:
Regulatory authorization			$ 4,498