Description of Business (Narrative) (Details)	6 Months Ended
Jun. 30, 2026 Item
Product Information [Line Items]
Number of active home service plans	2,100,000
Maximum [Member]
Product Information [Line Items]
Number of systems or appliances covered under service plans	29

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.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration