Goodwill and Intangible Assets - Schedule of Changes in Goodwill (Parenthetical) (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Canyon Semiconductor
Goodwill [Line Items]
Accounting allocation of investment		$ 3.4
Canyon
Goodwill [Line Items]
Percentage of ownership	51.00%	51.00%
ERIS Technology Corporation \| Yea-Shin Technology Corporation
Goodwill [Line Items]
Accounting allocation of investment		$ 6.4
Percentage of ownership	51.00%	51.00%
Yea-Shin Technology Corporation \| ERIS Technology Corporation
Goodwill [Line Items]
Percentage of ownership	60.00%	60.00%
Finalization of Non-controlling Interest Value
Goodwill [Line Items]
Measurement period adjustment in amount of goodwill	$ (1.1)
Finalization of Deferred Taxes
Goodwill [Line Items]
Measurement period adjustment in amount of goodwill	$ 4.3

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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