Assets Held for Sale, Net and Discontinued Operations - Properties Classified as Assets Held for Sale (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale, net	$ 0	$ 42,719
Land and land improvements
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale, net		5,673
Leasehold interests and improvements
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale, net		27,184
Building and Building Improvements
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale, net		6,352
Equipment
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale, net		1,378
Other Assets
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale, net		25
Restricted cash
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale, net		1,408
Accounts and other receivables, net
Long Lived Assets Held-for-sale [Line Items]
Assets held for sale, net		$ 699