Number of real estate properties affected.

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Number of real estate properties temporarily closed.

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The net amount (to the extent disclosed within this portion of the income statement) by which an insurance settlement exceeds incremental costs incurred from the event causing an interruption of business, plus the insurance award for earnings lost from the event, such as a natural catastrophe, explosion or fire.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

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Amount of cash inflow from the collection of receivables related to a loss contingency.

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Legal Proceedings, Guarantees and Contingencies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) Hotel	Dec. 31, 2016 USD ($)	Aug. 31, 2017 Hotel
Loss Contingencies [Line Items]
Gain on insurance and business interruption settlements	$ 7,000,000	$ 14,000,000	$ 15,000,000
Hurricane Harvey \| Houston
Loss Contingencies [Line Items]
Number of hotels affected \| Hotel				4
Hurricane Irma \| Florida \| Lower Limit
Loss Contingencies [Line Items]
Number of hotels closed for a period of time \| Hotel		7
Hurricane Irma \| Florida \| Upper Limit
Loss Contingencies [Line Items]
Number of hotels closed for a period of time \| Hotel		9
Hurricanes Harvey And Irma
Loss Contingencies [Line Items]
Loss contingency , estimate of possible loss	33,000,000
Insurance receivable	19,000,000	$ 33,000,000
Property insurance proceeds	14,000,000
Gain on insurance and business interruption settlements	7,000,000	$ 8,000,000
Other Litigation Cases \| Upper Limit
Loss Contingencies [Line Items]
Loss contingency , estimate of possible loss	$ 150,000