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Acquisition of Business - Narrative (Details) - Maligne Canyon Restaurant $ in Thousands, $ in Millions	1 Months Ended		12 Months Ended
	Mar. 31, 2018 USD ($)	Mar. 31, 2018 CAD ($)	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Purchase price	$ 4,600	$ 6.0
Acquisition related costs			$ 24
Business acquisition date	Mar. 31, 2018	Mar. 31, 2018

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Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
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