Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENTS (Details)

v3.19.3.a.u2
SUBSEQUENT EVENTS (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Feb. 11, 2020
Jan. 31, 2020
Jan. 25, 2020
Dec. 16, 2019
Aug. 15, 2019
Jul. 02, 2019
Dec. 31, 2019
Dec. 31, 2018
Nov. 30, 2018
Jan. 31, 2018
Dec. 31, 2017
Feb. 28, 2017
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Subsequent Event [Line Items]                                              
Dividends declared per share of common stock (in dollars per share)       $ 0.50     $ 0.50 $ 0.50     $ 0.50   $ 0.50 $ 0.50 $ 0.50 $ 0.50 $ 0.50 $ 0.50 $ 0.50 $ 0.50 $ 2.00 $ 2.00 $ 1.98
Dividends per share (in dollars per share)                                         $ 1.87 $ 1.60 $ 1.94
Dividends                                         $ 807,788 $ 661,859 $ 570,232
Issuance stock (in shares)         11,300,000 6,200,000                                  
Preferred stock, par values (in dollars per share)             $ 0.01 $ 0.01         $ 0.01       $ 0.01       $ 0.01 $ 0.01  
Issuance of common stock         $ 273,400 $ 150,000                                  
Options granted to Manager (in shares)                 2,900,000 2,900,000                          
Fair value of options granted to Manager                 $ 3,800 $ 3,800                          
Risk-free interest rate                 3.25% 2.58%   2.38%                      
Dividend yield                 8.61% 9.86%   10.82%                      
Volatility                 17.50% 23.16%   28.64%                      
Term (in years)                 10 years 10 years   10 years                      
Subsequent Event                                              
Subsequent Event [Line Items]                                              
Dividends per share (in dollars per share)     $ 0.50                                        
Dividends   $ 207,800                                          
6.375% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock | Subsequent Event                                              
Subsequent Event [Line Items]                                              
Issuance stock (in shares) 14,000,000.0                                            
Dividend interest rate 6.375%                                            
Preferred stock, par values (in dollars per share) $ 0.01                                            
Preferred stock, liquidation preference per share $ 25.00                                            
Issuance of common stock $ 338,700                                            
Options granted to Manager (in shares) 1,400,000                                            
Fair value of options granted to Manager $ 1,000                                            
Risk-free interest rate 1.55%                                            
Dividend yield 9.00%                                            
Volatility 17.39%                                            
Term (in years) 10 years