Schedule III - Combined Real Estate Investments and Accumulated Depreciation (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Carrying value of land, buildings and improvements	$ 462,976	[1]
Real Estate Taxes
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Carrying value of land, buildings and improvements	$ 279,400

[1] As of December 31, 2013, total land, buildings and improvements were carried at $279.4 million for federal income tax purposes.