Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS (Details)

v3.19.3
SUBSEQUENT EVENTS (Details)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jan. 31, 2020
USD ($)
Nov. 11, 2019
USD ($)
$ / shares
Jul. 30, 2019
$ / shares
May 07, 2019
$ / shares
Mar. 13, 2019
$ / shares
Nov. 30, 2019
USD ($)
property
Sep. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
Sep. 30, 2018
USD ($)
Jun. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
Sep. 30, 2019
USD ($)
Dec. 31, 2018
Nov. 11, 2020
USD ($)
Oct. 31, 2019
USD ($)
Subsequent Event [Line Items]                                
Dividends declared | $             $ 1,395,000 $ 1,395,000 $ 1,395,000 $ 1,395,000 $ 1,395,000 $ 1,395,000        
Series B preferred stock                                
Subsequent Event [Line Items]                                
Dividends declared per share of preferred stock (in dollars per share) | $ / shares     $ 0.609375 $ 0.609375 $ 0.609375                      
Preferred stock, dividend rate (as percent)     9.75% 9.75% 9.75%               9.75% 9.75%    
Series C preferred stock                                
Subsequent Event [Line Items]                                
Dividends declared per share of preferred stock (in dollars per share) | $ / shares     $ 0.503125 $ 0.503125 $ 0.503125                      
Preferred stock, dividend rate (as percent)     8.05% 8.05% 8.05%               8.05% 8.05%    
Series D preferred stock                                
Subsequent Event [Line Items]                                
Dividends declared per share of preferred stock (in dollars per share) | $ / shares     $ 0.523438 $ 0.523438 $ 0.523438                      
Preferred stock, dividend rate (as percent)     8.375% 8.375% 8.375%               8.375% 8.375%    
Subsequent event                                
Subsequent Event [Line Items]                                
Dividends declared | $ $ 1,400,000                              
Subsequent event | Series B preferred stock                                
Subsequent Event [Line Items]                                
Dividends declared per share of preferred stock (in dollars per share) | $ / shares   $ 0.609375                            
Preferred stock, dividend rate (as percent)   9.75%                            
Subsequent event | Series C preferred stock                                
Subsequent Event [Line Items]                                
Dividends declared per share of preferred stock (in dollars per share) | $ / shares   $ 0.503125                            
Preferred stock, dividend rate (as percent)   8.05%                            
Subsequent event | Series D preferred stock                                
Subsequent Event [Line Items]                                
Dividends declared per share of preferred stock (in dollars per share) | $ / shares   $ 0.523438                            
Preferred stock, dividend rate (as percent)   8.375%                            
Golf Properties | New Jersey | Disposed of by sale | Subsequent event                                
Subsequent Event [Line Items]                                
Sale price | $                               $ 800,000
Golf Properties | California | Disposed of by sale                                
Subsequent Event [Line Items]                                
Sale price | $             $ 12,500,000           $ 12,500,000      
Golf Properties | California | Disposed of by sale | Subsequent event                                
Subsequent Event [Line Items]                                
Sale price | $           $ 18,300,000                    
Number of real estate properties sold | property           2                    
Former Chief Executive Officer | Customary separation and release agreement | Subsequent event                                
Subsequent Event [Line Items]                                
Payment to related party | $   $ 250,000                         $ 100,000