XML 45 R31.htm IDEA: XBRL DOCUMENT
v3.20.4

Accumulated Other Comprehensive Income | 12 Months Ended
--- | ---
Dec. 31, 2020
Accumulated Other Comprehensive Income |
Accumulated Other Comprehensive Income | Note 22: Accumulated Other Comprehensive Income The components of accumulated other comprehensive income (AOCI), included in stockholders’ equity, are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2020 |  | 2019
​ | ​ | (In Thousands)
​ | ​ | ​ | ​ | ​ | ​ | ​
Net unrealized gain on available-for-sale securities | ​ | $ | 30,126 | ​ | $ | 11,715
​ | ​ | ​ | ​ | ​ | ​ | ​
Net unrealized gain on derivatives used for cash flow hedges | ​ |  | 38,724 | ​ |  | 30,056
​ | ​ |  | 68,850 | ​ |  | 41,771
​ | ​ | ​ | ​ | ​ | ​ | ​
Tax effect | ​ |  | (15,699) | ​ |  | (9,525)
​ | ​ | ​ | ​ | ​ | ​ | ​
Net-of-tax amount | ​ | $ | 53,151 | ​ | $ | 32,246
​ Amounts reclassified from AOCI and the affected line items in the statements of income during the years ended December 31, 2020, 2019 and 2018, were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​
​ |  | Amounts Reclassified |  | ​
​ | ​ | from AOCI | ​ | Affected Line Item in the
​ |  | 2020 |  | 2019 |  | 2018 |  | Statements of Income
​ | ​ | (In Thousands) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unrealized gains/(losses) on available- for-sale securities | ​ | $ | 78 | ​ | $ | (62) | ​ | $ | 2 |  | Net realized gains on available-for-sale securities (total reclassified amount before tax)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Change in fair value of cash flow hedge | ​ | ​ | 6,764 | ​ | ​ | — | ​ | ​ | — | ​ | Amortization of realized gain on termination of cash flow hedge (total reclassification amount before tax)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income taxes | ​ |  | (1,559) | ​ |  | 14 | ​ |  | — |  | Tax (expense) benefit
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total reclassifications out of AOCI | ​ | $ | 5,283 | ​ | $ | 48 | ​ | $ | 2 |  |
​

X
- Definition Represents the textual narrative disclosure of Note 22: Accumulated Other Comprehensive Income, during the indicated time period. + References No definition available. + Details
Name: | gsbc_Accumulatedothercomprehensiveincomedisclosuretextblock
Namespace Prefix: | gsbc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration