v3.26.1
Plan Termination - Additional Information (Detail)
12 Months Ended
Dec. 31, 2025
EBP 007 [Member]
Employee Benefit Plan Plan Termination [Line Items]
Plan Termination Vesting Percentage
100.00%
X
- References
No definition available.
+ Details
Name:
ngg_EmployeeBenefitPlanPlanTerminationLineItems
Namespace Prefix:
ngg_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Plan termination vesting percentage.
+ References
No definition available.
+ Details
Name:
ngg_PlanTerminationVestingPercentage
Namespace Prefix:
ngg_
Data Type:
dtr-types:percentItemType
Balance Type:
na
Period Type:
duration
X
- Details
Name:
dei_LegalEntityAxis=ngg_EBP007Member
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: