Effect of Derivative Financial Instruments (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, Gain (loss) recognized in other comprehensive loss	$ 1,884	$ (4,883)	$ (3,905)
Interest Expense and Loan Cost Amortization
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from accumulated other comprehensive loss into earnings	(7,177)	(4,379)	(98)
Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, Gain (loss) recognized in other comprehensive loss	3,487	(4,881)	(3,915)
Interest Rate Swap | Interest Expense and Loan Cost Amortization
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from accumulated other comprehensive loss into earnings	(7,150)	(4,110)	(98)
Interest Rate Cap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, Gain (loss) recognized in other comprehensive loss	(1,584)	(262)
Interest Rate Cap | Interest Expense and Loan Cost Amortization
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from accumulated other comprehensive loss into earnings	(45)
Interest Rate Cap | Unconsolidated Joint Venture
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, Gain (loss) recognized in other comprehensive loss	(1)	(9)	$ 10
Reclassification of Interest Rate Swaps Upon Derecognition
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, Gain (loss) recognized in other comprehensive loss		236
Reclassification of Interest Rate Swaps Upon Derecognition | Interest Expense and Loan Cost Amortization
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from accumulated other comprehensive loss into earnings		(236)
Reclassification of Interest Rate Swaps Due to Ineffectiveness
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, Gain (loss) recognized in other comprehensive loss	(18)	33
Reclassification of Interest Rate Swaps Due to Ineffectiveness | Interest Expense and Loan Cost Amortization
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from accumulated other comprehensive loss into earnings	$ 18	$ (33)