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Acquisitions - Other Business Combinations (Details) | 3 Months Ended
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Mar. 29, 2025 item
Business Combinations [Abstract] |
Number of autocover dealers acquired | 2

X
- Definition Represents the number of autocover dealer acquired in a business combination. + References No definition available. + Details
Name: | swim_BusinessCombinationNumberOfAutocoverDealersAcquired
Namespace Prefix: | swim_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_BusinessCombinationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration