XML 74 R63.htm IDEA: XBRL DOCUMENT
v3.26.1

Loans - Changes in Status of Loans (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | $ 270,545 | $ 42,110
Converted to Nonaccrual - Amortized Cost | 2,000 |
Foreclosures and Defaults - Amortized Cost | 3,680 | 6,434
90 days past due |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 2,864 | 6,106
Commercial loans | 90 days past due | Commercial owner-occupied real estate |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 1,801 | 962
Commercial loans | 90 days past due | Commercial and industrial |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 425 | 5,144
Consumer loans | 90 days past due | Consumer owner-occupied |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 638 |
Interest rate reduction |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 3,860 | 16,362
Interest rate reduction | Commercial loans | Commercial non-owner-occupied |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 2,848 | 15,088
Interest rate reduction | Commercial loans | Commercial owner-occupied real estate |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 723 |
Interest rate reduction | Commercial loans | Commercial and industrial |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 289 | 390
Interest rate reduction | Consumer loans | Consumer owner-occupied |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost |  | 884
Term extension |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 112,989 | 23,005
Foreclosures and Defaults - Amortized Cost | 1,544 | 6,434
Term extension | Commercial loans | Construction and land development |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 7,237 | 295
Term extension | Commercial loans | Commercial non-owner-occupied |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 64,982 |
Term extension | Commercial loans | Commercial owner-occupied real estate |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 4,563 | 7,716
Foreclosures and Defaults - Amortized Cost |  | 962
Term extension | Consumer loans | Consumer owner-occupied |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 8,016 | 2,642
Foreclosures and Defaults - Amortized Cost | 1,119 | 328
Term extension | Consumer loans | Commercial and industrial |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 27,979 | 12,352
Foreclosures and Defaults - Amortized Cost | 425 | 5,144
Term extension | Consumer loans | Other income producing property |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 212 |
Term Extension and Interest Rate Reduction |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 3,876 | 857
Foreclosures and Defaults - Amortized Cost | 335 |
Term Extension and Interest Rate Reduction | Commercial loans | Construction and land development |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 1,813 |
Term Extension and Interest Rate Reduction | Consumer loans | Consumer owner-occupied |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 2,063 | 857
Foreclosures and Defaults - Amortized Cost | 335 |
Other-than-insignificant payment delay |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 117,374 | 693
Foreclosures and Defaults - Amortized Cost | 1,801 |
Other-than-insignificant payment delay | Commercial loans | Commercial non-owner-occupied |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 105,010 |
Other-than-insignificant payment delay | Commercial loans | Commercial owner-occupied real estate |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 3,575 | 693
Foreclosures and Defaults - Amortized Cost | 1,801 |
Other-than-insignificant payment delay | Commercial loans | Commercial and industrial |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 8,789 |
Term Extension and Payment Delay |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 2,706 | 1,193
Converted to Nonaccrual - Amortized Cost | 2,000 |
Term Extension and Payment Delay | Commercial loans | Commercial non-owner-occupied |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 2,520 |
Term Extension and Payment Delay | Commercial loans | Commercial and industrial |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 186 | $ 1,193
Converted to Nonaccrual - Amortized Cost | 2,000 |
Interest Rate Reduction and Payment Delay |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | 29,740 |
Interest Rate Reduction and Payment Delay | Commercial loans | Commercial non-owner-occupied |  |
Allowance for Credit Losses |  |
Paying Under Restructured Terms - Amortized Cost | $ 29,740 |

X
- Definition Amount of modified financing receivable under restructured terms. + References No definition available. + Details
Name: | ssb_FinancingReceivableModificationAmortizedCostUnderRestructuredTerms
Namespace Prefix: | ssb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after troubled debt restructuring, of modified financing receivable converted to nonaccrual. + References No definition available. + Details
Name: | ssb_FinancingReceivableTroubledDebtRestructuringPostmodificationAmortizedCostConvertedToNonaccrual
Namespace Prefix: | ssb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-34 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 44 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-44 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
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/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 9: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 Reference 12: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (e)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 13: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (e)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 14: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 15: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 16: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 17: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_CommercialOwnerOccupiedRealEstateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_CommercialAndIndustrialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_ConsumerOwnerOccupiedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_OtherCommercialNonOwnerOccupiedRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_OtherIncomeProducingPropertyLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=ssb_TermExtensionAndPaymentDelayMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=ssb_InterestRateReductionAndPaymentDelayMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |