Income Taxes Indefinite reinvestment assertion (Details)	6 Months Ended
Jun. 30, 2020 USD ($)
Indefinite reinvestment assertion [Abstract]
Undistributed Earnings of Foreign Subsidiaries	$ 110,000,000.0
Foreign Income Tax Expense (Benefit), Continuing Operations	$ 10,000,000.0

Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_UndistributedEarningsOfForeignSubsidiaries
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant