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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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Overview - Additional Information (Detail) - USD ($)			1 Months Ended	3 Months Ended		6 Months Ended
Overview - Additional Information (Detail) - USD ($)	Jul. 01, 2026	Jan. 29, 2026	Jan. 31, 2025	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Jun. 29, 2026	Dec. 31, 2025
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Capitalized payments to customers				$ 22,142,000		$ 22,142,000			$ 18,168,000
Reduction of revenue due to amortization and write-off of previously capitalized payments				541,000	$ 208,000	975,000	$ 1,044,000
Cash proceeds			$ 3,740,000
Loss on sale							$ 2,311,000
Bridge Facilities
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Financing commitment to fund dividends, fees and expenses		$ 290,000,000
Bridge Facility, Backstop Commitment and Senior Credit Facility
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Fees incurred				$ 2,145,000		$ 5,135,000
Senior Credit Facility
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Maximum aggregate principal amount								$ 250,000,000
Definitive Agreements
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Definitive agreements		On January 29, 2026, the Company, entered into definitive agreements to combine the Performance Technologies business (“Performance Technologies”) of Modine Manufacturing Co., a Wisconsin corporation (“Modine”), with the Company (the “Modine Transaction”). The Modine Transaction is structured as a Reverse Morris Trust transaction, where a wholly owned subsidiary of Modine (“SpinCo”), owning Performance Technologies, will be spun off to Modine shareholders (the “Distribution”) and simultaneously merged with a wholly owned subsidiary of the Company (the “Merger”). The transaction was valued at approximately $1,000,000 as of the date of signing, based on specified assumptions. Shareholders of the Company immediately prior to the Merger are expected to own approximately 60.0% of the combined company and Modine shareholders are expected to own approximately 40.0% of the combined company, on a fully diluted basis, without taking into account any overlapping shareholder ownership and subject to adjustment.
Related party transaction, amounts of transaction		$ 1,000,000,000
Ownership interest of common stock		60.00%
Entities Ownership Interest
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Ownership interest				20.00%		20.00%
Modine \| Definitive Agreements
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Ownership interest of common stock		40.00%
Cash distribution		$ 210,000,000
Termination fee		$ 45,000,000
Minimum
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Period of products expected to be sold				5 years		5 years
Maximum
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Period of products expected to be sold				10 years		10 years
IME \| Subsequent Event
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Payment to acquire business, net of cash and debt	$ 34,000,000
IME \| Subsequent Event \| Maximum
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Purchase price increased	$ 1,000,000