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Stock Compensation Plans - Nonvested Options Granted Unrecognized Compensation Cost (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($)
Stock Compensation Plans |
Nonvested Options Granted Unrecognized Compensation Costs | $ 5.5

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- Definition Represents the monetary amount of Nonvested Options Granted Unrecognized Compensation Costs, as of the indicated date. + References No definition available. + Details
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Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration