Notes Payable, Revolving Credit Facility, Interest and Amortization of Deferred Debt Costs - Scheduled Maturities of Debt, Including Scheduled Principal Amortization (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014
Balloon Payments
July 1 through December 31, 2014	$ 0
2015	14,885
2016	28,879
2017	0
2018	27,748
2019	60,793
Thereafter	421,169
Balloon Payments, Total	553,474
Scheduled Principal Amortization
July 1 through December 31, 2014	11,223
2015	23,208
2016	23,496
2017	24,679
2018	24,821
2019	23,489
Thereafter	135,755
Principal Amortization, Total	266,671
Total
July 1 through December 31, 2014	11,223
2015	38,093
2016	52,375
2017	24,679
2018	52,569
2019	84,282
Thereafter	556,924
Total	$ 820,145