XML 80 R70.htm IDEA: XBRL DOCUMENT
v3.23.2

Equity Based Compensation - Schedule of Non-vested Restricted Stock Grants (Parenthetical) (Detail) | 6 Months Ended
--- | ---
Jun. 30, 2023
Performance Based Awards [Member] | 2020 Performance Grant [Member] |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |
Vesting percentage | 200.00%

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

X
- Definition Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=ck0001585389_PerformanceBasedAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ck0001585389_TwoThousandAndTwentyPerformanceGrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |