Quarterly report pursuant to Section 13 or 15(d)

Unsecured Lines of Credit Payable - Schedule of Credit Unused and Available (Details)

v2.4.0.8
Unsecured Lines of Credit Payable - Schedule of Credit Unused and Available (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Line of Credit Facility [Line Items]    
Borrowings outstanding $ (5,000) $ 0
Line of Credit | Credit Facility No. 1
   
Line of Credit Facility [Line Items]    
Committed capacity 100,000  
Borrowings outstanding (5,000) 0
Unused and available 95,000  
Line of Credit | Credit Facility No. 2
   
Line of Credit Facility [Line Items]    
Committed capacity 400,000  
Borrowings outstanding 0  
Unused and available $ 400,000