Percentage of distributions to equity holders that are characterized as capital gains for federal income tax purposes.

No definition available.

Name:	sdir_DistributionsCharacterizedAsCapitalGainsPercentage
Namespace Prefix:	sdir_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of distributions to equity holders that are characterized as return of capital for federal income tax purposes.

+ References

No definition available.

+ Details

Name:	sdir_DistributionsCharacterizedAsReturnOfCapitalPercentage
Namespace Prefix:	sdir_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of classes in limited partners' ownership units.

+ References

No definition available.

+ Details

Name:	sdir_LimitedPartnersCapitalAccountNumberOfClassesOfUnits
Namespace Prefix:	sdir_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Ratio applied to the conversion of limited partners' ownership units into shares.

+ References

No definition available.

+ Details

Name:	sdir_LimitedPartnersCapitalUnitConversionRatio
Namespace Prefix:	sdir_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares of stock issued as of the balance sheet date attributable to Non-controlling interests.

+ References

No definition available.

+ Details

Name:	sdir_NonControllingInterestShares
Namespace Prefix:	sdir_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of new units issued during the period.

+ References

No definition available.

+ Details

Name:	sdir_StockIssuedDuringPeriodUnitsNewIssues
Namespace Prefix:	sdir_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_LimitedPartnersCapitalAccountLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_LimitedPartnersCapitalAccountByClassAxis=sdir_ClassPAndClassPxOpUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=sdir_SwifIiOperatingPartnershipLpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LimitedPartnersCapitalAccountByClassAxis=sdir_CommonClassPOpUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LimitedPartnersCapitalAccountByClassAxis=sdir_CommonClassPxOpUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

EQUITY (DEFICIT) - Limited Partnership Units of the Operating Partnership (Details)		12 Months Ended		47 Months Ended
	Jan. 18, 2022	Dec. 31, 2025 USD ($) shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2025 USD ($) shares
SWIF II OP Limited Partnership Units
Number of classes \| $		10
Proceeds from issuance of common shares \| $		$ 32,571,524	$ 22,882,390
Conversion ratio	1	1
Percentage of distributions to equity holders characterized as capital gains		100.00%
Percentage of distributions to equity holders characterized as return of capital		100.00%
Class P OP units and Class PX OP units
SWIF II OP Limited Partnership Units
Proceeds from issuance of common shares \| $				$ 22,623,000
Non controlling interest shares \| shares		1,349,716	1,802,059	1,349,716
Class P OP units and Class PX OP units \| Operating Partnership
SWIF II OP Limited Partnership Units
Operating partnership percentage of ownership		11.09%	15.04%	11.09%
Class P OP Units
SWIF II OP Limited Partnership Units
Common units issued (in units) \| shares				2,034,853
Class PX OP Units
SWIF II OP Limited Partnership Units
Common units issued (in units) \| shares				216,561