Basis of Presentation and Other Information Business combination (Details)	Apr. 29, 2018 shares
Business combination [Line Items]
Exchange Ratio	0.10256
Equivalent shares	9.75
Fully diluted shares, percentage owned	42.00%
Fully diluted shares, percentage owned by public	0.31
SoftBank [Member]
Business combination [Line Items]
Fully diluted shares, percentage owned	27.00%