XML 162 R148.htm IDEA: XBRL DOCUMENT v3.20.4

Condensed Parent Company Statements - Condensed Statement of Comprehensive Income - (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Condensed Statement of Income Captions [Line Items]
Change in fair value of cash flow hedge, net of taxes of $0, $0 and $93 for 2019, 2018 and 2017, respectively	$ 11,914	$ 13,857	$ 9,345
Parent Company [Member]
Condensed Statement of Income Captions [Line Items]
Net Income	59,313	73,612	67,109
Comprehensive income (loss) of subsidiaries	20,905	22,619	8,114
Comprehensive Income parent	$ 80,218	$ 96,231	$ 75,223

X

- Definition

Represents the monetary amount of Change in fair value of cash flow hedge, net, during the indicated time period.

+ References

No definition available.

+ Details

Name:	gsbc_ChangeInFairValueOfCashFlowHedgeNet
Namespace Prefix:	gsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represents the monetary amount of Comprehensive Income of subsidiaries, during the indicated time period.

+ References

No definition available.

+ Details

Name:	gsbc_ComprehensiveIncomeOfSubsidiaries
Namespace Prefix:	gsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the monetary amount of Comprehensive Income parent, during the indicated time period.

+ References

No definition available.

+ Details

Name:	gsbc_ComprehensiveIncomeParent
Namespace Prefix:	gsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the monetary amount of Net Comprehensive Income Parent Company, during the indicated time period.

+ References

No definition available.

+ Details

Name:	gsbc_NetComprehensiveIncomeParentCompany
Namespace Prefix:	gsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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:	srt_CondensedStatementOfIncomeCaptionsLineItems
Namespace Prefix:	srt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: