SUBSEQUENT EVENTS (Details)
1 Months Ended 3 Months Ended
Mar. 09, 2016
USD ($)
ft²
Jan. 31, 2016
USD ($)
$ / shares
Jan. 31, 2015
USD ($)
$ / shares
Subsequent Event [Line Items]      
Repayments of Lines of Credit   $ 3,000,000 $ 77,550,000
Payments for (Proceeds from) Deposits on Real Estate Acquisitions   $ 479,000 $ 0
Common Stock [Member]      
Subsequent Event [Line Items]      
Cash dividends declared (in dollars per share) | $ / shares   $ 0.2300 $ 0.2250
Class A Common Shares [Member]      
Subsequent Event [Line Items]      
Cash dividends declared (in dollars per share) | $ / shares   $ 0.2600 $ 0.2550
Subsequent Event [Member] | Subsequent Event Acquisition [Member]      
Subsequent Event [Line Items]      
Payments for (Proceeds from) Deposits on Real Estate Acquisitions $ 2,000,000    
Area of Real Estate Property | ft² 72,000    
Purchase Price or Contract Price $ 45,300,000    
New mortgage financing 22,700,000    
Payments for Mortgage Deposits $ 226,625