XML 119 R103.htm IDEA: XBRL DOCUMENT
v3.26.1

Defined Contribution Plan (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 USD ($) yr | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Defined Contribution Plan [Abstract] |  |  |
Minimum age (in years) | yr | 21 |  |
Defined contribution plan, employer matching contribution, percent of match | 50.00% |  |
Defined contribution plan, maximum annual contribution per employee | 5.00% |  |
Defined contribution plan, cost | $ | $ 2.6 | $ 2.5 | $ 2.9

X
- Definition The minimum age to participate in the 401(k) Plan. + References No definition available. + Details
Name: | gdot_MinimumAge
Namespace Prefix: | gdot_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480794/715-70-50-1 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration