Related Party Transactions and Transactions with Grace (Details) - W.R. Grace & Co. - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2020
Other Assets
Related Party Transaction [Line Items]
Indemnified receivables, tax	$ 1.8
Other Current Liabilities
Related Party Transaction [Line Items]
Indemnified payables, tax		$ 1.0

The amount of any current tax-related balances due from affiliates as of the date of each statement of financial position presented.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 17
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319

+ Details

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- Definition

The amount of any current tax-related balances due to affiliates as of the date of each statement of financial position presented.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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