XML 88 R75.htm IDEA: XBRL DOCUMENT
v3.24.1

Related Party Transactions - Summary of Related Party Costs (Parenthetical) (Detail) - Class T Common stock | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Related Party Transaction [Line Items] |  |
Monthly stockholder servicing fee accrual description | accrued daily in an amount equal to 1/365th of 1% of the purchase price per share |
Dealer Manager |  |
Related Party Transaction [Line Items] |  |
Monthly stockholder servicing fee accrual description | accrues daily in an amount equal to 1/365th of 1% of the purchase price per share | accrues daily in an amount equal to 1/365th of 1% of the purchase price per share

X
- Definition Description of monthly stockholder servicing fee accrual basis. + References No definition available. + Details
Name: | ck0001585389_ServicingFeesAccrualDescription
Namespace Prefix: | ck0001585389_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(c)(2)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(c)(2)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(g)(3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=ck0001585389_CommonClassTMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ck0001585389_SelectCapitalCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |