Other Assets - Notes Receivable Due From Equity Instruments (Details) - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Total notes receivable due from equity investments		$ 165,203	$ 184,558
Less-current portion	[1]	25,783	25,933
Long-term portion	[2]	$ 139,420	$ 158,625

[1] Included within Trade and other receivables, net in our consolidated balance sheets.

[2] Included within Other assets in our consolidated balance sheets.