Annual report pursuant to Section 13 and 15(d)

Mortgages Payable And Other Debt Disclosures (Narrative) (Details)

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Mortgages Payable And Other Debt Disclosures (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Line Of Credit - Variable Rate LIBOR + 2.0% (2.28% At December 31, 2011) [Member]
 
Debt Instrument [Line Items]  
Interest rate at end of period 2.28%
Basis spread over LIBOR 2.00%
Term Note - Variable Rate LIBOR+1.50% (1.99% At December 31, 2011) [Member]
 
Debt Instrument [Line Items]  
Interest rate at end of period 1.99%
Basis spread over LIBOR 1.50%
Term Note - Variable Rate LIBOR+2.0% (2.27% At December 31, 2011)
 
Debt Instrument [Line Items]  
Interest rate at end of period 2.27%
Basis spread over LIBOR 2.00%
Term Note - Variable Rate LIBOR+2.0% (2.30% At December 31, 2011)
 
Debt Instrument [Line Items]  
Interest rate at end of period 2.30%
Basis spread over LIBOR 2.00%
7.80% Mortgage Note Due December 2011 [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 7.80%
Mortgage note due date December 2011
7.19% Mortgage Note Due March 2012 [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 7.19%
Mortgage note due date March 2012
7.25% Mortgage Note Due December 2011 [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 7.25%
Mortgage note due date December 2011
Self-storage facilities 1
6.76% Mortgage Note Due September 2013 [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 6.76%
Mortgage note due date September 2013
Self-storage facilities 1
Aggregate net book value of property pledged for mortgage note 1.9
Effective interest rate 6.85%
6.35% Mortgage Note Due March 2014 [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 6.35%
Mortgage note due date March 2014
Self-storage facilities 1
Aggregate net book value of property pledged for mortgage note 3.6
Effective interest rate 6.44%
7.50% Mortgage Note Due August 2011 [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 7.50%
Mortgage note due date August 2011
Self-storage facilities 3
5.99% Mortgage Note Due May 2026 [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 5.99%
Mortgage note due date May 2026
Self-storage facilities 1
Aggregate net book value of property pledged for mortgage note 4.3
Effective interest rate 5.89%
6.26% Term Note [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 6.26%
6.38% Term Note [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 6.38%
5.54% Term Note [Member]
 
Debt Instrument [Line Items]  
Term note stated interest rate 5.54%
Locke Sovran I LLC [Member] | 7.80% Mortgage Note Due December 2011 [Member]
 
Debt Instrument [Line Items]  
Self-storage facilities 11
Locke Sovran II, LLC [Member] | 7.19% Mortgage Note Due March 2012 [Member]
 
Debt Instrument [Line Items]  
Self-storage facilities 27