Segments - Reconciliation of Assets for Reportable Segments to Consolidated Amounts (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 2,953,096	$ 2,892,523	$ 2,985,844
Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,751,612	2,698,602	2,874,678
Operating Segments [Member] | Owned Hotels [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,550,064	2,499,770	2,682,394
Operating Segments [Member] | Franchise and Management [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	201,548	198,832	192,284
Corporate and Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 201,484	$ 193,921	$ 111,166