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Organization And Summary Of Significant Accounting Policies (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2022 major_product_categories shares	Jun. 30, 2022 major_product_categories shares	Jun. 30, 2021 shares	Dec. 31, 2021	Apr. 26, 2018 $ / shares shares
Accounting Policies [Abstract]
Shares, Issued					38,097,525
Sale of Stock, Price Per Share | $ / shares					$ 15.00
Number of major product categories | major_product_categories	2	2
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity Method Investment, Ownership Percentage			30.00%
Shares repurchased and retired (shares)	3,626,591	6,662,421	0
GrafTech International Ltd | Brookfield
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity Method Investment, Ownership Percentage	24.90%	24.90%		24.30%

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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