XML 55 R44.htm IDEA: XBRL DOCUMENT v3.25.3

Regulatory Matters (Details) $ in Thousands	May 01, 2026	Nov. 01, 2025	May 01, 2025	Apr. 29, 2025 USD ($) period	Jun. 27, 2024 USD ($)	Jun. 20, 2024 USD ($) period increase utility
Public Utilities, General Disclosures [Line Items]
Requested revenue increase						$ 351
Number of regulated utilities that filed a rate case with the ACC | utility						7
Approved rate, number of phase-in periods | period						5
Number of subsequent increases in approved rate | increase						4
Arizona Corporation Commission (ACC)
Public Utilities, General Disclosures [Line Items]
Requested revenue increase				$ 1,100
Return on equity, percentage				9.60%
Requested rate, number of phase-in periods | period				3
Requested equity capital structure (as a percent)			50.00%
Requested deferral of recovery of acquisition premium					$ 3,000
Arizona Corporation Commission (ACC) | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Requested equity capital structure (as a percent)		25.00%
Arizona Corporation Commission (ACC) | Forecast
Public Utilities, General Disclosures [Line Items]
Requested equity capital structure (as a percent)	25.00%

X

- Definition

Number Of Regulated Utilities That Filed A Rate Case

+ References

No definition available.

+ Details

Name:	gwrs_NumberOfRegulatedUtilitiesThatFiledARateCase
Namespace Prefix:	gwrs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Public Utilities, Approved Rate, Number Of Subsequent Increases

+ References

No definition available.

+ Details

Name:	gwrs_PublicUtilitiesApprovedRateNumberOfSubsequentIncreases
Namespace Prefix:	gwrs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Public Utilities, Approved Rate, Phase-In Period

+ References

No definition available.

+ Details

Name:	gwrs_PublicUtilitiesApprovedRatePhaseInPeriod
Namespace Prefix:	gwrs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Public Utilities, Requested Deferral Of Recovery Of Acquisition Premium, Amount

+ References

No definition available.

+ Details

Name:	gwrs_PublicUtilitiesRequestedDeferralOfRecoveryOfAcquisitionPremiumAmount
Namespace Prefix:	gwrs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Public Utilities, Requested Rate, Phase-In Period

+ References

No definition available.

+ Details

Name:	gwrs_PublicUtilitiesRequestedRatePhaseInPeriod
Namespace Prefix:	gwrs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesGeneralDisclosuresLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of public utility's requested equity to capital, including debt and equity.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of public utility's requested rate increase (decrease) with regulatory agency.

+ References

No definition available.

+ Details

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

X

- Definition

Percentage of public utility's requested return on equity.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RegulatoryAgencyAxis=gwrs_ArizonaCorporationCommissionACCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: