Condensed Consolidated Statements of Changes in Redeemable Senior Preferred Membership Interests and Stockholders'-Members' Equity (Parenthetical) $ in Thousands	3 Months Ended
Jun. 30, 2026 USD ($)
Statement of Stockholders' Equity [Abstract]
Issuance of Class A units sold in IPO and greenshoe, net of discounts cost	$ 20,930

Amount of decrease in additional paid in capital (APIC) resulting from stock issuance discount cost.

No definition available.

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Namespace Prefix:	yswy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration