XML 72 R123.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Financial Instruments with Off-Balance Sheet Risk (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Standby letters of credit
Financial instruments, whose contract amounts represent credit risk
Expiration period of standby letters of credit	1 year
South State Bank (the Bank)
Financial instruments, whose contract amounts represent credit risk
Off balance sheet financial instruments	$ 2,934,869	$ 2,781,626
South State Bank (the Bank) | Commitments to extend credit
Financial instruments, whose contract amounts represent credit risk
Off balance sheet financial instruments	2,902,000	2,748,901
South State Bank (the Bank) | Standby letters of credit and financial guarantees
Financial instruments, whose contract amounts represent credit risk
Off balance sheet financial instruments	$ 32,869	$ 32,725

X

- Definition

Represents the term of borrowing under standby letters of credit.

+ References

No definition available.

+ Details

Name:	ssb_MaximumTermOfStandbyLettersOfCredit
Namespace Prefix:	ssb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CommitmentsToExtendCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=ssb_StandbyLettersOfCreditAndFinancialGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: