XML 85 R75.htm IDEA: XBRL DOCUMENT
v3.21.1

DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule Of Financial Instruments Fair Value (Details) $ in Thousands | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
--- | --- | ---
Junior Subordinated Debt |  |
Financial Instruments Owned Carrying Amount | $ 25,774 | $ 25,774
Financial Instruments, Owned, at Fair Value | $ 25,774 | $ 25,774
Fair Value Hierarchy Level | 3 | 3
Subordinated Debt |  |
Financial Instruments Owned Carrying Amount | $ 148,580 | $ 148,397
Financial Instruments, Owned, at Fair Value | $ 157,125 | $ 157,032
Fair Value Hierarchy Level | 2 | 2
Deposits |  |
Financial Instruments Owned Carrying Amount | $ 4,626,936 | $ 4,516,903
Financial Instruments, Owned, at Fair Value | $ 4,631,388 | $ 4,523,586
Fair Value Hierarchy Level | 3 | 3
Short-term Debt |  |
Financial Instruments Owned Carrying Amount | $ 143,302 | $ 165,692
Financial Instruments, Owned, at Fair Value | $ 143,302 | $ 165,692
Fair Value Hierarchy Level | 3 | 3
Unrecognized financial instruments (net of contractual value) | Commitments to Originate Loans |  |
Fair Value Hierarchy Level | 3 | 3
Unrecognized financial instruments (net of contractual value) | Letter of Credit |  |
Financial Instruments Owned Carrying Amount | $ 68 | $ 84
Financial Instruments, Owned, at Fair Value | $ 68 | $ 84
Fair Value Hierarchy Level | 3 | 3
Unrecognized financial instruments (net of contractual value) | Line of Credit |  |
Fair Value Hierarchy Level | 3 | 3
Interest payable |  |
Financial Instruments Owned Carrying Amount | $ 2,444 | $ 2,594
Financial Instruments, Owned, at Fair Value | $ 2,444 | $ 2,594
Fair Value Hierarchy Level | 3 | 3
Loans Receivable |  |
Financial Instruments Owned Carrying Amount | $ 4,285,737 | $ 4,296,804
Financial Instruments, Owned, at Fair Value | $ 4,297,186 | $ 4,303,909
Fair Value Hierarchy Level | 3 | 3
Cash and Cash Equivalents |  |
Financial Instruments Owned Carrying Amount | $ 612,556 | $ 563,729
Financial Instruments, Owned, at Fair Value | $ 612,556 | $ 563,729
Fair Value Hierarchy Level | 1 | 1
Mortgage loans held for sale |  |
Financial Instruments Owned Carrying Amount | $ 30,492 | $ 17,780
Financial Instruments, Owned, at Fair Value | $ 30,492 | $ 17,780
Fair Value Hierarchy Level | 2 | 2
Interest receivable |  |
Financial Instruments Owned Carrying Amount | $ 13,027 | $ 12,793
Financial Instruments, Owned, at Fair Value | $ 13,027 | $ 12,793
Fair Value Hierarchy Level | 3 | 3
Investment in FHLBank stock and other interest-earning assets |  |
Financial Instruments Owned Carrying Amount | $ 6,655 | $ 9,806
Financial Instruments, Owned, at Fair Value | $ 6,655 | $ 9,806
Fair Value Hierarchy Level | 3 | 3

X
- Definition Represents the pure numeric value of Fair Value Hierarchy Level, as of the indicated date. + References No definition available. + Details
Name: | gsbc_FairValueHierarchyLevel
Namespace Prefix: | gsbc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the monetary amount of Financial Instruments Owned Carrying Amount, as of the indicated date. + References No definition available. + Details
Name: | gsbc_FinancialInstrumentsOwnedCarryingAmount
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969 + Details
Name: | us-gaap_FinancialInstrumentsOwnedAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_JuniorSubordinatedDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_SubordinatedDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | us-gaap_CreditFacilityAxis=gsbc_CommitmentsToOriginateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=gsbc_MortgageLoansHeldForSale1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=gsbc_InterestReceivable1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=gsbc_InvestmentInFhlbankStockAndOtherInterestEarningAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |