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DEPOSITS - Additional information (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Deposits |  |
Aggregate amount of brokered deposits | $ 537,029 | $ 411,491
Brokered deposits that had variable rates of interest | 149,500 |
Brokered deposits that had fixed rates of interest | $ 137,500 |
Percentage of deposit liability uninsured | 14.00% |
IntraFi Financial Network |  |
Deposits |  |
Aggregate amount of brokered deposits | $ 250,000 | $ 150,000

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- Definition Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities, with fixed rates of interest . + References No definition available. + Details
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Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities, with variable rates of interest . + References No definition available. + Details
Name: | gsbc_InterestBearingDomesticDepositBrokeredWithVariableInterestRate
Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Percentage of deposit liability uninsured. + References No definition available. + Details
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Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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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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- Definition Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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