Availability required to pay distributions or repurchase common units.

No definition available.

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Namespace Prefix:	sgu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Minimum fixed charge coverage ratio for distributions to unit holders or repurchase common units.

+ References

No definition available.

+ Details

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- Definition

Minimum percentage of borrowing capacity to pay any distributions to unitholders or repurchase common units.

+ References

No definition available.

+ Details

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- 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

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- 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

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- 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))
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-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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Balance Type:	credit
Period Type:	instant

- 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
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-Name Accounting Standards Codification
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-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

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Common Unit Repurchase and Retirement - Additional Information (Detail) - USD ($)		1 Months Ended				3 Months Ended		131 Months Ended	144 Months Ended
	Sep. 27, 2024	Apr. 30, 2025	Mar. 31, 2025	Feb. 28, 2025	Jan. 31, 2025	Mar. 31, 2025	Dec. 31, 2024	May 31, 2023	Sep. 30, 2024	Jul. 31, 2022
Capital Unit [Line Items]
Company's common units authorized for repurchase								2,600,000		1,100,000
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	115.00%
Repurchase Plan
Capital Unit [Line Items]
Company's common units repurchased and retired			0	0	6,000	6,000	13,000	20,500,000	26,438,000
Repurchase Plan \| Subsequent Event
Capital Unit [Line Items]
Company's common units repurchased and retired		1,000
Common Stock Available for Repurchase Under Privately Negotiated Transactions
Capital Unit [Line Items]
Company's common units authorized for repurchase								300,000
Common Stock Available for Repurchase Under Privately Negotiated Transactions \| Subsequent Event
Capital Unit [Line Items]
Company's common units authorized for repurchase		300,000
Common Stock Available for Repurchase Under Open Market Transactions
Capital Unit [Line Items]
Company's common units authorized for repurchase								2,300,000
Common Stock Available for Repurchase Under Open Market Transactions \| Subsequent Event
Capital Unit [Line Items]
Company's common units authorized for repurchase		1,200,000