Consolidated Portfolio of Hotels by Location (Detail)	Sep. 30, 2018 Hotel
Real Estate Properties [Line Items]
Hotels	93
United States
Real Estate Properties [Line Items]
Hotels	88
Brazil
Real Estate Properties [Line Items]
Hotels	3
Canada
Real Estate Properties [Line Items]
Hotels	2

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.

No definition available.

Name:	us-gaap_RealEstatePropertiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration