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Summary of Significant Accounting Policies - Net Amortization Expense Related to Deferred Leasing Intangibles (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Amortization of In-Place Leases and Tenant Relationships
 
Finite-Lived Intangible Assets [Line Items]  
2014 $ 4,652
2015 4,086
2016 3,066
2017 2,797
2018 1,932
Estimated Net Increase to Rental Revenues Related to Above and Below Market Leases
 
Finite-Lived Intangible Assets [Line Items]  
2014 388
2015 375
2016 888
2017 828
2018 $ 756