Intangible Assets (Company's Intangible Assets) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Cost	$ 138,012	$ 138,012
Accumulated Amortization	$ 9,108	8,131
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years
Cost	$ 11,691	11,691
Accumulated Amortization	9,108	8,131
IPR&D [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	$ 126,321	$ 126,321
Maximum [Member] | Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	15 years