XML 77 R64.htm IDEA: XBRL DOCUMENT v3.22.0.1

Investments in Securities - Investment in Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Available-for-sale Securities
Available-for-sale Securities, Amortized Cost Amount	$ 489,198	$ 384,807
Available-for-sale Securities, Gross Unrealized Gain	15,119	31,338
Available-for-sale Securities, Gross Unrealized Loss	3,285	1,212
Available-for-sale Securities, Fair Value	501,032	414,933
Agency mortgage-backed securities.
Available-for-sale Securities, Amortized Cost Amount	219,624	151,106
Available-for-sale Securities, Gross Unrealized Gain	10,561	19,665
Available-for-sale Securities, Gross Unrealized Loss	744	831
Available-for-sale Securities, Fair Value	229,441	169,940
Agency collateralized mortgage obligations
Available-for-sale Securities, Amortized Cost Amount	204,332	168,472
Available-for-sale Securities, Gross Unrealized Gain	2,443	8,524
Available-for-sale Securities, Gross Unrealized Loss	2,498	375
Available-for-sale Securities, Fair Value	204,277	176,621
States and political subdivisions securities
Available-for-sale Securities, Amortized Cost Amount	38,440	45,196
Available-for-sale Securities, Gross Unrealized Gain	1,618	2,135
Available-for-sale Securities, Gross Unrealized Loss	43	6
Available-for-sale Securities, Fair Value	40,015	47,325
Small Business Administration securities
Available-for-sale Securities, Amortized Cost Amount	26,802	20,033
Available-for-sale Securities, Gross Unrealized Gain	497	1,014
Available-for-sale Securities, Fair Value	$ 27,299	$ 21,047

X

- Definition

Represents the monetary amount of Available for Sale Securities Fair Value, as of the indicated date.

+ References

No definition available.

+ Details

Name:	gsbc_AvailableForSaleSecuritiesFairValue
Namespace Prefix:	gsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of unrealized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedGain
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_InformationByCategoryOfDebtSecurityAxis=us-gaap_AvailableforsaleSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedMortgageObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=gsbc_SmallBusinessAdministrationSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: