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Schedule II - Valuation And Qualifying Accounts | 12 Months Ended
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Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation And Qualifying Accounts | SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS (CONSOLIDATED AND COMBINED) Murphy USA Inc. Valuation Accounts and Reserves
(Thousands of dollars) | Balance at January 1, | Charged (Credited) to Expense | Deductions | Balance at December 31,
2015 |  |  |  |
Deducted from assets accounts |  |  |  |
Allowance for doubtful accounts | $ | 4,456 |  | — |  | (2,493 | ) | 1,963 |
2014 |  |  |  |
Deducted from assets accounts |  |  |  |
Allowance for doubtful accounts | $ | 4,576 |  | — |  | (120 | ) | 4,456 |
2013 |  |  |  |
Deducted from assets accounts |  |  |  |
Allowance for doubtful accounts | $ | 5,835 |  | — |  | (1,259 | ) | 4,576 |

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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