XML 104 R90.htm IDEA: XBRL DOCUMENT
v3.20.4

Other Real Estate Owned and Repossessions (Details) | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) property | Dec. 31, 2019 USD ($) property | Dec. 31, 2018 USD ($)
Gain On Sale Of Branch Location |  | $ 115,000 |
Number of real estate properties | property | 7 | 6 |
Foreclosure assets held for sale | $ 1,223,000 | $ 4,654,000 |
Valuation write-downs on foreclosed assets | 1,320,000 | 926,000 | $ 3,897,000
Operating leases right of use asset | 8,536,000 | 8,668,000 |
Lease liability | $ 8,661,000 | $ 8,747,000 |
Operating Lease, Liability, Statement of Financial Position [Extensible List] | Lease liability | Lease liability |
Former branch |  |  |
Foreclosure assets held for sale | $ 80,000 |  |
Valuation write-downs on foreclosed assets | 286,000 |  |
Residential Mortgage [Member] |  |  |
Mortgage Loans in Process of Foreclosure, Amount | 602,000 | $ 1,600,000 |
Acquired Loans | Residential Mortgage [Member] |  |  |
Mortgage Loans in Process of Foreclosure, Amount | $ 518,000 | $ 1,400,000 |

X
- Definition Represents the monetary amount of Foreclosed assets held for sale and repossessions, net, as of the indicated date. + References No definition available. + Details
Name: | gsbc_ForeclosedAssetsHeldForSaleAndRepossessionsNet
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the monetary amount of Gain on Sale of Branch Location, during the indicated time period. + References No definition available. + Details
Name: | gsbc_GainOnSaleOfBranchLocation
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the monetary amount of Valuation write-downs on foreclosed assets, during the indicated time period. + References No definition available. + Details
Name: | gsbc_ValuationWriteDownsOnForeclosedAssets
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL49126937-111524 + Details
Name: | us-gaap_MortgageLoansInProcessOfForeclosureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Indicates line item in statement of financial position that includes operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918631-209977 + Details
Name: | us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList
Namespace Prefix: | us-gaap_
Data Type: | srt-types:extensibleListItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_CounterpartyNameAxis=gsbc_FormerBranchMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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