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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Financing Receivable, Troubled Debt Restructuring (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Interest Only |  |  | $ 1,768 |
Term | $ 236 | $ 16 | 257 | $ 16
Combination |  | 28 |  | 206
Total Modification | 236 | 44 | 2,025 | 222
Consumer |  |  |  |
Term | 79 | 16 | 100 |
Combination |  | 28 |  | 130
Total Modification | 79 | $ 44 | 100 | 130
Commercial Real Estate |  |  |  |
Interest Only |  |  | 1,768 |
Total Modification |  |  | 1,768 |
One- to four-family residential |  |  |  |
Term | 157 |  | 157 | 16
Combination |  |  |  | 76
Total Modification | $ 157 |  | $ 157 | $ 92

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- Definition Represents the monetary amount of Troubled Debt Restructuring Loans Interest Only, during the indicated time period. + References No definition available. + Details
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Balance Type: | debit
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- Definition Represents the monetary amount of Troubled Debt Restructuring Loans Modified Combination, during the indicated time period. + References No definition available. + Details
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- Definition Represents the monetary amount of Troubled Debt Restructuring Loans Modified Term, during the indicated time period. + References No definition available. + Details
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Namespace Prefix: | gsbc_
Data Type: | xbrli:monetaryItemType
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- Definition Represents the monetary amount of Troubled Debt Restructurings Total New Modifications, during the indicated time period. + References No definition available. + Details
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Namespace Prefix: | gsbc_
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- Details
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Namespace Prefix: |
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Period Type: |

X
- Details
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Balance Type: |
Period Type: |

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- Details
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