XML 77 R67.htm IDEA: XBRL DOCUMENT
v3.23.2

RELATED-PARTY TRANSACTIONS (Details) shares in Thousands, $ in Thousands |  |  |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 20, 2023 USD ($) | Jun. 01, 2023 USD ($) | Apr. 10, 2023 USD ($) | Aug. 30, 2022 USD ($) installment shares | Jan. 26, 2022 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2023 USD ($) | Mar. 31, 2023 GBP (£) | Dec. 31, 2022 USD ($)
2023 Award Modification | Protected Incentive Plan | Subsequent Event |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Reduced award amount |  | $ 10,000 |  |  |  |  |  |  |
Additional cash bonus payments amount |  | 10,000 |  |  |  |  |  |  |
2023 Award Modification | Protected Incentive Plan | Subsequent Event | Tranche One |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Reduced award amount |  | 5,000 |  |  |  |  |  |  |
Additional cash bonus payments amount |  | 6,000 |  |  |  |  |  |  |
2023 Award Modification | Protected Incentive Plan | Subsequent Event | Tranche Two |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Reduced award amount |  | 5,000 |  |  |  |  |  |  |
Additional cash bonus payments amount |  | $ 1,000 |  |  |  |  |  |  |
2023 Revolving Note | Subsequent Event |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Related party loan |  |  | $ 20,000 |  |  |  |  |  |
Due from related parties |  |  | $ 100 |  |  |  |  |  |
Related party transaction, unused commitment fee |  |  | 1.00% |  |  |  |  |  |
Related party transaction, closing fee |  |  | 12.00% |  |  |  |  |  |
Related party debt payable period |  |  | 180 days |  |  |  |  |  |
2023 Revolving Note | Subsequent Event | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Floor |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Related party transaction, rate |  |  | 3.15% |  |  |  |  |  |
Related Party | Paysafe |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Credit card processing fees |  |  |  |  | $ 0 | $ 539 | $ 1,123 |  |
Receivable from related parties |  |  |  |  |  |  | $ 458 |  | $ 2,447
Related Party | Just Develop It Limited |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Monthly payment for desk occupancy | £ |  |  |  |  |  |  |  | £ 52,000 |
Related Party | Subsequent Event | Cannae |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Initial retainer fees | $ 100 |  |  |  |  |  |  |  |
Monthly service fees | $ 25 |  |  |  |  |  |  |  |
Related Party | Class A Common Stock | Subsequent Event |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Great than 5% holder of common stock | 5.00% |  |  |  |  |  |  |  |
Related Party | Waiver | Just Develop It Limited |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  | $ 40,000 |  |  |  |  |
Number of quarterly instalments | installment |  |  |  | 4 |  |  |  |  |
Quarterly payments |  |  |  | $ 10,000 |  |  |  |  |
Anniversary period |  |  |  | 3 months |  |  |  |  |
Related Party | Waiver | Class A Common Stock | Just Develop It Limited |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Number of shares in waiver agreement (in shares) | shares |  |  |  | 50,000 |  |  |  |  |

X
- Definition Credit Card Processing Fees + References No definition available. + Details
Name: | sst_CreditCardProcessingFees
Namespace Prefix: | sst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Initial Retainer Fees + References No definition available. + Details
Name: | sst_InitialRetainerFees
Namespace Prefix: | sst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Related Party Debt Payable Period + References No definition available. + Details
Name: | sst_RelatedPartyDebtPayablePeriod
Namespace Prefix: | sst_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Related Party, Great Than 5% Holder Of Common Stock + References No definition available. + Details
Name: | sst_RelatedPartyGreatThan5HolderOfCommonStock
Namespace Prefix: | sst_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Related Party Transaction, Closing Fee + References No definition available. + Details
Name: | sst_RelatedPartyTransactionClosingFee
Namespace Prefix: | sst_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Related Party Transaction, Desk Occupancy Exchange Amount + References No definition available. + Details
Name: | sst_RelatedPartyTransactionDeskOccupancyExchangeAmount
Namespace Prefix: | sst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Related Party Transaction, Unused Commitment Fee + References No definition available. + Details
Name: | sst_RelatedPartyTransactionUnusedCommitmentFee
Namespace Prefix: | sst_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Service Fees + References No definition available. + Details
Name: | sst_ServiceFees
Namespace Prefix: | sst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Additional Cash Bonus Payments Amount + References No definition available. + Details
Name: | sst_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalCashBonusPaymentsAmount
Namespace Prefix: | sst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share-based compensation arrangement by share-based payment award, equity instruments other than options, reduced award amount. + References No definition available. + Details
Name: | sst_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReducedAwardAmount
Namespace Prefix: | sst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Waiver Agreement, Anniversary Period + References No definition available. + Details
Name: | sst_WaiverAgreementAnniversaryPeriod
Namespace Prefix: | sst_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Waiver Agreement, Number Of Quarterly Instalments + References No definition available. + Details
Name: | sst_WaiverAgreementNumberOfQuarterlyInstalments
Namespace Prefix: | sst_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Waiver Agreement, Number Of Shares In Transaction + References No definition available. + Details
Name: | sst_WaiverAgreementNumberOfSharesInTransaction
Namespace Prefix: | sst_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Waiver Agreement, Payable Consideration + References No definition available. + Details
Name: | sst_WaiverAgreementPayableConsideration
Namespace Prefix: | sst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Waiver Agreement, Quarterly Payments + References No definition available. + Details
Name: | sst_WaiverAgreementQuarterlyPayments
Namespace Prefix: | sst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480833/946-310-45-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(5)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481058/954-310-45-1 + Details
Name: | us-gaap_AccountsReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount due from parties in nontrade transactions, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(5)(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_OtherReceivables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromRelatedPartyDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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
- Definition Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=sst_A2023AwardModificationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=sst_A2023RevolvingNoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=sst_SecuredOvernightFinancingRateSOFROvernightIndexSwapRateFloorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_CounterpartyNameAxis=sst_PaysafeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=sst_JustDevelopItLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=sst_CannaeHoldingsIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=sst_WaiverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |