XML 64 R49.htm IDEA: XBRL DOCUMENT
v3.23.2

Summary of Significant Accounting Policies - Leases (Details) $ in Millions | Jun. 30, 2023 USD ($)
--- | ---
Summary of Significant Accounting Policies |
Financing Receivable , Individually Evaluated for Losses ,Net Book Balance | $ 1

X
- Definition The threshold amount of net book balance of financing receivable individually evaluated for losses. + References No definition available. + Details
Name: | ssb_FinancingReceivableIndividuallyEvaluatedForLossesThresholdNetBookBalance
Namespace Prefix: | ssb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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