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Acquisitions - Northwest Retail Acquisition (Details) |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 23, 2018 USD ($) gasoline_store_facility | Sep. 30, 2019 USD ($) gasoline_store_facility | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) gasoline_store_facility | Sep. 30, 2018 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Number of retail gasoline, convenience store facilities | gasoline_store_facility |  | 34 |  | 34 |
Acquisition related costs | $ |  | $ 623,000 | $ 2,134,000 | $ 4,325,000 | $ 3,515,000
Northwest Retail Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of retail gasoline, convenience store facilities | gasoline_store_facility | 21 |  |  |  |
Number of leased retail gasoline, convenience store facilities | gasoline_store_facility | 12 |  |  |  |
Cash consideration transferred | $ | $ 74,500,000 |  |  |  |
Acquisition related costs | $ |  |  | $ 0 |  | $ 600,000

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- Definition Number of Retail Gasoline, Convenience Store Facilities + References No definition available. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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