XML 82 R73.htm IDEA: XBRL DOCUMENT
v3.22.2.2

DERIVATIVES AND HEDGING ACTIVITIES - Cash Flow Hedges (Details) - Cash flow hedges - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2020 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Oct. 01, 2022 | Jul. 31, 2022 | Feb. 28, 2022 | Oct. 31, 2018
Interest Rate Swaps |  |  |  |  |  |  |  |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |  |  |  |  |  |  |  |
Notional amount of derivatives |  |  |  |  |  |  |  | $ 300,000,000 | $ 400,000,000
Derivative, fixed interest rate |  |  |  |  |  |  |  | 1.6725% | 3.018%
Initial floating rate of interest |  |  |  |  |  | 3.14271% |  | 2.553% |
Non-interest income related to changes in the fair value of derivative | $ 45,900,000 | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |
Loan interest income |  |  |  | 428,000 | 610,000 |  |  |  |
Terminated interest rate swap |  | $ 2,000,000.0 | $ 2,000,000.0 | $ 6,100,000 | $ 6,100,000 |  |  |  |
Terminated notional amount of derivatives | $ 400,000,000 |  |  |  |  |  |  |  |
Interest rate swap one |  |  |  |  |  |  |  |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |  |  |  |  |  |  |  |
Notional amount of derivatives |  |  |  |  |  |  | $ 200,000,000 |  |
Derivative, fixed interest rate |  |  |  |  |  |  | 2.628% |  |
Interest rate swap two |  |  |  |  |  |  |  |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |  |  |  |  |  |  |  |
Notional amount of derivatives |  |  |  |  |  |  | $ 200,000,000 |  |
Derivative, fixed interest rate |  |  |  |  |  |  | 5.725% |  |

X
- Definition Amount of terminated value of derivatives. + References No definition available. + Details
Name: | gsbc_DerivativeTerminationNotionalAmount
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of derivative termination value loan interest income. + References No definition available. + Details
Name: | gsbc_DerivativeTerminationValueLoanInterestIncome
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the monetary amount of interest rate swap interest income, during the indicated time period. + References No definition available. + Details
Name: | gsbc_InterestRateSwapInterestIncome
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the monetary amount of noninterest income related to changes in the fair value of derivative, during the indicated time period. + References No definition available. + Details
Name: | gsbc_NoninterestIncomeRelatedToChangesInTheFairValueOfDerivative
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Variable interest rate in effect as of the balance sheet date related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeVariableInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=gsbc_InterestRateSwapOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=gsbc_InterestRateSwapTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |