Quarterly report pursuant to Section 13 or 15(d)

Stockholder's Equity (Details)

v3.3.0.814
Stockholder's Equity (Details) - USD ($)
 9 Months Ended 12 Months Ended
Jan. 27, 2015
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Jun. 23, 2015
Jan. 23, 2015
Class of Stock [Line Items]            
Preferred stock, authorized   10,000,000   0    
Preferred stock, par value   $ 0.001   $ 0    
Preferred stock, issued   22,500   0    
Net offering proceeds   $ 54,200,000        
Series A Cumulative Redeemable Preferred Stock, value of stock issed   $ 56,250,000   $ 0    
Shares of common stock offered   59,629,941   46,605,055 12,937,500  
Shelf Registration Statement Aggregate Offering Price   $ 106,800,000       $ 300,000,000.0
Reinvestment of distributions by common stockholders in additional common shares   $ 471,706 $ 99,081 $ 140,108    
Series A Cumulative Redeemable Preferred Stock [Member]            
Class of Stock [Line Items]            
Preferred stock, issued   22,500        
Depositary Shares [Member]            
Class of Stock [Line Items]            
Annual dividend, per share $ 1.84375          
Preferred Stock [Member] | Series A Cumulative Redeemable Preferred Stock [Member]            
Class of Stock [Line Items]            
Coupon rate   7.375%        
Common Stock [Member]            
Class of Stock [Line Items]            
Shares sold in offering   12,937,500   22,425,000    
Reinvestment of distributions to stockholders, shares       19,865    
Underwritten Public Offering [Member] | Depositary Shares [Member]            
Class of Stock [Line Items]            
Shares sold in offering 2,250,000          
Liquidation preference, per share $ 25.00          
Dividend Reinvestment Plan [Member]            
Class of Stock [Line Items]            
Reinvestment of distributions by common stockholders in additional common shares   $ 471,706        
Dividend Reinvestment Plan [Member] | Common Stock [Member]            
Class of Stock [Line Items]            
Reinvestment of distributions to stockholders, shares   73,997        
Director's Compensation Plan [Member]            
Class of Stock [Line Items]            
Shares of common stock offered   8,904        
Reinvestment of distributions by common stockholders in additional common shares   $ 60,000        
Purchase of GIGS, Common Stock Offering [Member]            
Class of Stock [Line Items]            
Reinvestment of distributions by common stockholders in additional common shares   77,625,000        
Purchase of GIGS, Convertible Debt Offering [Member]            
Class of Stock [Line Items]            
Reinvestment of distributions by common stockholders in additional common shares   115,000,000        
CORRPrA [Member]            
Class of Stock [Line Items]            
Series A Cumulative Redeemable Preferred Stock, value of stock issed   $ 23