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DERIVATIVES AND HEDGING ACTIVITIES - Agreements with Derivative Counterparties (Details) - USD ($) | Sep. 30, 2024 | Dec. 31, 2023
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Loan level swaps |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |
Derivative counterparties collateral | $ 2,700,000 | $ 11,600,000
Commercial lending swaps |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |
Derivative counterparties collateral | 6,400,000 | 8,200,000
Interest rate swaps |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |
Derivative counterparties collateral | 9,400,000 | 19,200,000
Swaps related to brokered deposits |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |
Collateral from the Company |  | 44,000
Net asset position | Balance sheet hedge |  |
DERIVATIVES AND HEDGING ACTIVITIES |  |
Termination value of derivatives with derivative dealer counterparties | $ 80,000 | $ 137,000

X
- Definition Represents the monetary amount of derivative counterparties collateral, as of the indicated date. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

X
- Definition The amount of collateral from the entity. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the monetary amount of termination value of derivatives with derivative dealer counterparties, as of the indicated date. + References No definition available. + Details
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Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- 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
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- Details
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- Details
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- Details
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- Details
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- Details
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Data Type: | na
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