SUBSEQUENT EVENTS (Status Offering and Distributions Paid and Declared) (Details) (USD $)
 0 Months Ended 12 Months Ended 14 Months Ended 36 Months Ended 53 Months Ended 12 Months Ended 36 Months Ended 53 Months Ended 0 Months Ended
May 04, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Feb. 28, 2012
Mar. 12, 2013
Dec. 31, 2013
Dec. 31, 2013
Common Stock [Member]
Dec. 31, 2012
Common Stock [Member]
Dec. 31, 2011
Common Stock [Member]
Mar. 12, 2013
Common Stock [Member]
Dec. 31, 2013
Common Stock [Member]
Mar. 03, 2014
Subsequent Event [Member]
Jan. 29, 2014
Subsequent Event [Member]
Mar. 03, 2014
Subsequent Event [Member]
Dividend Paid [Member]
Feb. 03, 2014
Subsequent Event [Member]
Dividend Paid [Member]
Jan. 02, 2014
Subsequent Event [Member]
Dividend Paid [Member]
Mar. 07, 2014
Subsequent Event [Member]
Dividend Declared [Member]
Jan. 16, 2014
Subsequent Event [Member]
Dividend Declared [Member]
Mar. 03, 2014
Subsequent Event [Member]
Common Stock [Member]
Subsequent Event [Line Items]                                        
Issuance of common stock, shares               6,538,502 8,195,092 4,339,765 18,088,084 19,420,805               19,812,304
Issuance of common stock, value   $ 65,139,000 $ 81,306,000 $ 43,190,000   $ 179,200,000   $ 65,000 $ 82,000 $ 43,000   $ 193,100,000 $ 197,200,000              
Shares of common stock sold under dividend reinvestment plan, shares                     368,872 746,836               837,508
Shares of common stock sold under dividend reinvestment plan, value           3,500,000 7,300,000           8,300,000              
Redemptions of common stock, shares               208,457 35,848     244,304               255,466
Redemptions of common stock, value   1,978,000 350,000         2,000       2,300,000 2,400,000              
Minimum amount of shares sold for termination, value                           760,000,000            
Distributions paid                             $ 1,000,000 $ 1,100,000 $ 1,100,000      
Distribution rate per share per day, declared (usd per share)   $ 0.00178082 $ 0.00178082 $ 0.00178082 $ 0.00178082                           $ 0.00178082  
Distribution rate per share annualized, declared, based on purchase price                                     6.50%  
Common stock, purchase price per share                                     $ 10.00  
Common Share, Distribution Rate Per Share Annualized, Declared, Based on Current Offering Price                                     5.93%  
Common Stock, Price per Share $ 10.68                                 $ 10.96