Mortgage Notes Payable, Revolving Credit Facility, Interest and Amortization of Deferred Debt Costs - Interest Expense and Amortization of Deferred Debt Costs (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Debt Disclosure [Abstract]
Interest incurred	$ 11,240	$ 11,406
Amortization of deferred debt costs	330	311
Capitalized interest	(103)	0
Interest expense and amortization of deferred debt costs	$ 11,467	$ 11,717