[Line Items] for Significant Accounting Policies [Table]

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 720
-SubTopic 35
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-Subparagraph (b)
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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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Summary of Significant Accounting Policies - Narrative (Details)	12 Months Ended
	Dec. 31, 2018 USD ($) reporting_unit	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Feb. 01, 2018
Significant Accounting Policies [Line Items]
Advertising expense	$ 141,800,000	$ 114,100,000	$ 102,700,000
Number of reporting units \| reporting_unit	2
Impairment of goodwill	$ 4,289,000	0	0
Impairment of intangible assets, indefinite-lived (excluding goodwill)		0	0
Foreign currency transaction gains and (losses)	(300,000)	3,400	$ (800,000)
WoodSpring
Significant Accounting Policies [Line Items]
Business acquisition, percentage of voting interests acquired				100.00%
Other
Significant Accounting Policies [Line Items]
Impairment of goodwill	4,289,000	$ 0
Other \| Sass for Vacation Rentals
Significant Accounting Policies [Line Items]
Impairment of goodwill	$ 4,300,000