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Subsequent Events - Additional Information (Detail) - Subsequent Event - Dividend Declared $ / shares in Units, $ in Millions | 1 Months Ended
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Apr. 30, 2017 USD ($) $ / shares
Subsequent Event [Line Items] |
Distribution declared | $ / shares | $ 0.11
Partners capital projected distribution amount on annualized basis | $ / shares | 0.44
Minimum dividend distribution per unit | $ / shares | $ 0.0675
Percentage of distributions to common unit holders in excess of minimum quarterly distribution | 90.00%
Percentage of distributions to general unit holders in excess of minimum quarterly distribution | 10.00%
Amount to paid to common unit holders | $ 6.1
Amount to paid to the General Partner | 0.2
Incentive distribution to the General Partner | 0.1
Incentive distributions to management | $ 0.1
Dividend payable date | May 08, 2017
Dividend record date | Apr. 28, 2017

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- Definition Incentive distribution to the General Partner. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Incentive distributions to Management. + References No definition available. + Details
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- Definition Minimum dividend distribution per unit. + References No definition available. + Details
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- Definition Partners capital projected distribution amount on annualized basis per share. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Percentage of distributions to common unit holders in excess of minimum quarterly distribution. + References No definition available. + Details
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- Definition Percentage of distributions to general unit holders in excess of minimum quarterly distribution. + References No definition available. + Details
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Namespace Prefix: | sgu_
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Balance Type: | na
Period Type: | duration

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- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
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Period Type: | duration

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- Definition The total amount of distributions to the general partner during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition The total amount of distributions to limited partners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 + Details
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- Definition The distribution amount per share for all classes of units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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- Details
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Period Type: |