XML 52 R53.htm IDEA: XBRL DOCUMENT v2.4.0.8
Operating Leases - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Operating Leased Assets [Line Items]  
Weighted average remaining lease term 7 years 6 months
Minimum
 
Operating Leased Assets [Line Items]  
Lease, expiration year 2014
Extended lease period 2 years
Maximum
 
Operating Leased Assets [Line Items]  
Lease, expiration year 2030
Extended lease period 10 years
Triple-net lease agreements
 
Operating Leased Assets [Line Items]  
Number of properties owned 34
Total annualized property tax $ 1.3
Single Tenant Properties
 
Operating Leased Assets [Line Items]  
Number of properties owned 19
Real estate investment properties, percentage leased under operating leases 100.00%
Multi Tenant Properties
 
Operating Leased Assets [Line Items]  
Number of properties owned 15