Summary of Significant Accounting Policies - Loan Commitment Asset (Details)	6 Months Ended
Jun. 30, 2026 USD ($)
Accounting Policies [Abstract]
Loan commitment asset reclassified to debt	$ 3,000,000.0

Line Of Credit Arrangements, Debt Issuance Costs Reclassified To Deduction Of Debt Liability

No definition available.

Name:	swrd_LineOfCreditArrangementsDebtIssuanceCostsReclassifiedToDeductionOfDebtLiability
Namespace Prefix:	swrd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration