XML 93 R80.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Loans and Allowance for Credit Losses - Financing Receivable Credit Quality Indicators (Details) $ in Thousands | Dec. 31, 2020 USD ($)
--- | ---
Loans Receivable |
Loan Portfolio Internal Grading System Classification | $ 4,361,807
Commercial construction |
Loan Portfolio Internal Grading System Classification | 484,372
Commercial Real Estate |
Loan Portfolio Internal Grading System Classification | 1,541,242
Industrial revenue bonds |
Loan Portfolio Internal Grading System Classification | 14,003
Consumer auto |
Loan Portfolio Internal Grading System Classification | 86,173
Home Equity Line of Credit |
Loan Portfolio Internal Grading System Classification | 114,689
Land development |
Loan Portfolio Internal Grading System Classification | 54,010
One- to four-family residential construction |
Loan Portfolio Internal Grading System Classification | 20,718
Subdivision construction |
Loan Portfolio Internal Grading System Classification | 4,917
Owner occupied one- to four-family residential |
Loan Portfolio Internal Grading System Classification | 470,310
Non-owner occupied one- to four-family residential |
Loan Portfolio Internal Grading System Classification | 114,498
Other residential |
Loan Portfolio Internal Grading System Classification | 999,447
Commercial business |
Loan Portfolio Internal Grading System Classification | 318,023
Consumer |
Loan Portfolio Internal Grading System Classification | 40,762
Acquired Loans Net of Discount |
Loan Portfolio Internal Grading System Classification | 98,643
Satisfactory | Loans Receivable |
Loan Portfolio Internal Grading System Classification | 4,289,674
Satisfactory | Commercial construction |
Loan Portfolio Internal Grading System Classification | 484,372
Satisfactory | Commercial Real Estate |
Loan Portfolio Internal Grading System Classification | 1,485,596
Satisfactory | Industrial revenue bonds |
Loan Portfolio Internal Grading System Classification | 14,003
Satisfactory | Consumer auto |
Loan Portfolio Internal Grading System Classification | 85,657
Satisfactory | Home Equity Line of Credit |
Loan Portfolio Internal Grading System Classification | 114,049
Satisfactory | Land development |
Loan Portfolio Internal Grading System Classification | 54,010
Satisfactory | One- to four-family residential construction |
Loan Portfolio Internal Grading System Classification | 19,353
Satisfactory | Subdivision construction |
Loan Portfolio Internal Grading System Classification | 4,897
Satisfactory | Owner occupied one- to four-family residential |
Loan Portfolio Internal Grading System Classification | 467,729
Satisfactory | Non-owner occupied one- to four-family residential |
Loan Portfolio Internal Grading System Classification | 114,105
Satisfactory | Other residential |
Loan Portfolio Internal Grading System Classification | 995,950
Satisfactory | Commercial business |
Loan Portfolio Internal Grading System Classification | 310,806
Satisfactory | Consumer |
Loan Portfolio Internal Grading System Classification | 40,514
Satisfactory | Acquired Loans Net of Discount |
Loan Portfolio Internal Grading System Classification | 98,633
Watch | Loans Receivable |
Loan Portfolio Internal Grading System Classification | 64,758
Watch | Commercial Real Estate |
Loan Portfolio Internal Grading System Classification | 52,208
Watch | Consumer auto |
Loan Portfolio Internal Grading System Classification | 5
Watch | Home Equity Line of Credit |
Loan Portfolio Internal Grading System Classification | 39
Watch | One- to four-family residential construction |
Loan Portfolio Internal Grading System Classification | 1,365
Watch | Owner occupied one- to four-family residential |
Loan Portfolio Internal Grading System Classification | 216
Watch | Non-owner occupied one- to four-family residential |
Loan Portfolio Internal Grading System Classification | 324
Watch | Other residential |
Loan Portfolio Internal Grading System Classification | 3,497
Watch | Commercial business |
Loan Portfolio Internal Grading System Classification | 7,102
Watch | Consumer |
Loan Portfolio Internal Grading System Classification | 2
Substandard | Loans Receivable |
Loan Portfolio Internal Grading System Classification | 7,375
Substandard | Commercial Real Estate |
Loan Portfolio Internal Grading System Classification | 3,438
Substandard | Consumer auto |
Loan Portfolio Internal Grading System Classification | 511
Substandard | Home Equity Line of Credit |
Loan Portfolio Internal Grading System Classification | 601
Substandard | Subdivision construction |
Loan Portfolio Internal Grading System Classification | 20
Substandard | Owner occupied one- to four-family residential |
Loan Portfolio Internal Grading System Classification | 2,365
Substandard | Non-owner occupied one- to four-family residential |
Loan Portfolio Internal Grading System Classification | 69
Substandard | Commercial business |
Loan Portfolio Internal Grading System Classification | 115
Substandard | Consumer |
Loan Portfolio Internal Grading System Classification | 246
Substandard | Acquired Loans Net of Discount |
Loan Portfolio Internal Grading System Classification | $ 10

X
- Definition Represents the monetary amount of Loan Portfolio Internal Grading System Classification, as of the indicated date. + References No definition available. + Details
Name: | gsbc_LoanPortfolioInternalGradingSystemClassification
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_LoansReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=gsbc_IndustrialRevenueBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_AutomobileLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_HomeEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=gsbc_OneToFourFamilyResidentialConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=gsbc_SubdivisionConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=gsbc_OwnerOccupiedOneToFourFamilyResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=gsbc_NonOwnerOccupiedOneToFourFamilyResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=gsbc_OtherResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=us-gaap_CommercialBorrowerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=us-gaap_ConsumerBorrowerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=gsbc_AcquiredLoansNetOfDiscountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=gsbc_SatisfactoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=gsbc_WatchMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |