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Amount of payment in financing receivable modified during the period.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount of minimum loan balance which are identified primarily by a classified risk rating required for collateral dependent loans including, but not limited to any loan in process of foreclosure or repossession.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of non-accrual loans for credit losses amortized cost.

No definition available.

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Namespace Prefix:	gsbc_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of expense related to estimated loss from loan and lease transactions.

No definition available.

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Period Type:	duration

Amount of provision for losses expense (reversal of expense) for unfunded commitments.

No definition available.

Name:	gsbc_ProvisionForLossesOnUnfundedCommitments
Namespace Prefix:	gsbc_
Data Type:	xbrli:monetaryItemType
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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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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Amount of interest income on financing receivable on nonaccrual status.

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