XML 137 R123.htm IDEA: XBRL DOCUMENT v3.20.4

Derivatives and Hedging Activities - Cash Flow Hedge on Statements of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Interest Income | Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest rate swap, net of income taxes	$ 7,676	$ 3,082	$ 673

X

- Definition

Represents the monetary amount of Effect of cash flow hedge accounting on the statements of operations, during the indicated time period.

+ References

No definition available.

+ Details

Name:	gsbc_EffectOfCashFlowHedgeAccountingOnTheStatementsOfOperations
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:	us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_InterestIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: