XML 64 R55.htm IDEA: XBRL DOCUMENT
v3.24.3

Common Unit Repurchase Plans and Retirement - Additional Information (Detail) - USD ($) shares in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended | 131 Months Ended | 132 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 27, 2024 | Nov. 30, 2024 | Oct. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2024 | May 31, 2023 | Sep. 30, 2023 | Jul. 31, 2022
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Company's common units authorized for repurchase |  |  |  |  |  |  |  |  |  | 2,600 |  | 1,100
Seventh Amendment |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Availability required to repurchase common units | $ 40,000,000 |  |  |  |  |  |  |  |  |  |  |
Percentage of the maximum facility size on a historical proforma and forward-looking basis | 15.00% |  |  |  |  |  |  |  |  |  |  |
Non Seasonal maximum borrowing capacity under revolving credit facility | $ 400,000,000 |  |  |  |  |  |  |  |  |  |  |
Minimum fixed charge coverage ratio for distributions to unit holders or to repurchase common units | 1.15% |  |  |  |  |  |  |  |  |  |  |
Repurchase Plan |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Company's common units repurchased and retired |  |  |  |  | 187 | 598 | 218 | 13 | 1,016 | 20,500 | 25,422 |
Repurchase Plan | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Company's common units repurchased and retired |  | 5 | [1] | 3 |  |  |  |  |  |  |  |
Common Stock Available for Repurchase Under Privately Negotiated Transactions |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Company's common units authorized for repurchase |  |  |  |  |  |  |  |  |  | 300 |  |
Common Stock Available for Repurchase Under Privately Negotiated Transactions | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Company's common units authorized for repurchase |  | 300 |  |  |  |  |  |  |  |  |  |
Common Stock Available for Repurchase Under Open Market Transactions |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Company's common units authorized for repurchase |  |  |  |  |  |  |  |  |  | 2,300 |  |
Common Stock Available for Repurchase Under Open Market Transactions | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Company's common units authorized for repurchase |  | 1,200 |  |  |  |  |  |  |  |  |  |
[1] | Of the total available for repurchase, approximately 1.2 million are available for repurchase in open market transactions and 0.3 million are available for repurchase in privately-negotiated transactions.

X
- Definition Availability required to pay distributions or repurchase common units. + References No definition available. + Details
Name: | sgu_AvailabilityRequiredToPayDistributionsOrRepurchaseCommonUnits
Namespace Prefix: | sgu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Minimum fixed charge coverage ratio for distributions to unit holders or repurchase common units. + References No definition available. + Details
Name: | sgu_MinimumFixedChargeCoverageRatioForDistributionsToUnitholdersOrRepurchaseCommonUnits
Namespace Prefix: | sgu_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum percentage of borrowing capacity to pay any distributions to unitholders or repurchase common units. + References No definition available. + Details
Name: | sgu_MinimumPercentageOfBorrowingCapacityToPayAnyDistributionsToUnitholdersOrRepurchaseCommonUnits
Namespace Prefix: | sgu_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
Name: | srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | srt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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_CapitalUnitLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares that have been repurchased and retired during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sgu_SeventhAmendmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ShareRepurchaseProgramAxis=sgu_CommonStockRepurchaseProgramMember
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_ShareRepurchaseProgramAxis=sgu_CommonStockRepurchaseProgramUnderPrivatelyNegotiatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ShareRepurchaseProgramAxis=sgu_CommonStockRepurchaseProgramUnderOpenMarketMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |