Quarterly report pursuant to Section 13 or 15(d)

SHAREHOLDERS' EQUITY (Details)

v3.21.2
SHAREHOLDERS' EQUITY (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Oct. 15, 2021
$ / shares
Rate
shares
Jul. 15, 2021
$ / shares
Rate
shares
Jun. 09, 2021
$ / shares
Jun. 09, 2021
$ / shares
Rate
Sep. 30, 2021
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
$ / shares
Sep. 30, 2021
USD ($)
$ / shares
Rate
shares
Sep. 30, 2020
USD ($)
$ / shares
Jun. 30, 2021
shares
Mar. 31, 2021
shares
Dec. 31, 2020
USD ($)
shares
Class of Stock [Line Items]                      
Preferred Stock, Liquidation Preference Per Share | $ / shares         $ 1,000   $ 1,000        
Preferred Stock, Shares Outstanding | shares         657,500   657,500       750,500
Preferred Stock, Value, Outstanding         $ 2,267,000   $ 2,267,000        
Dividends, Preferred Stock, Cash         $ (29,000) $ (28,000) $ (103,000) $ (65,000)      
Depositary Shares, Redeemed | shares   24,000,000                  
Depositary Share, Redemption Price | $ / shares   $ 25.00                  
Depositary Share, Redemption, Declared And Unpaid Dividends | $ / shares   $ 0.390625                  
Common Stock, Shares Authorized | shares         2,250,000,000   2,250,000,000   2,250,000,000 1,500,000,000 1,500,000,000
Treasury Stock, Value         $ (79,000)   $ (79,000)       $ (59,000)
Treasury Stock Acquired, Average Cost Per Share | $ / shares         $ 14.96            
Stock Repurchase Program, Authorized Amount         $ 800,000   800,000        
Stock Repurchased and Retired During Period, Shares | shares         33,400,000            
Stock Repurchased and Retired During Period, Value         $ 500,000   $ 500,000 88,000      
Red Iron                      
Class of Stock [Line Items]                      
Noncontrolling Interest, Ownership Percentage by Parent         55.00%   55.00%        
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners         45.00%   45.00%        
Subsequent Event                      
Class of Stock [Line Items]                      
Depositary Shares, Redeemed | shares 4,000,000                    
Depositary Share, Redemption Price | $ / shares $ 25.00                    
Depositary Share, Redemption, Declared And Unpaid Dividends | $ / shares $ 0.36725                    
Retained Earnings [Member]                      
Class of Stock [Line Items]                      
Dividends, Preferred Stock, Cash         $ (29,000) $ (28,000) $ (103,000) $ (65,000)      
Series B Preferred Stock                      
Class of Stock [Line Items]                      
Preferred Stock, Shares Outstanding | shares         35,500   35,500        
Preferred Stock, Value, Outstanding         $ 23,000   $ 23,000        
Preferred Stock, Redemption Date             Jan. 15, 2017        
Preferred Stock, Dividends Per Share, Declared | $ / shares         $ 7.07 $ 7.44 $ 21.63 $ 28.56      
Series B Preferred Stock | Retained Earnings [Member]                      
Class of Stock [Line Items]                      
Dividends, Preferred Stock, Cash         $ 0 $ 0 $ 0 $ (1,000)      
Series C Preferred Stock                      
Class of Stock [Line Items]                      
Depository Share, Percent Interest in Preferred Stock             0.025        
Preferred Stock, Shares Outstanding | shares         100,000   100,000        
Preferred Stock, Value, Outstanding         $ 100,000   $ 100,000        
Preferred Stock, Redemption Date             Oct. 15, 2021        
Preferred Stock, Dividend Rate, Percentage | Rate             5.875%        
Preferred Stock, Dividends Per Share, Declared | $ / shares         $ 14.69 $ 14.69 $ 44.07 $ 44.07      
Series C Preferred Stock | TCF Financial Corporation                      
Class of Stock [Line Items]                      
Preferred Stock, Dividend Rate, Percentage     5.70% 5.70%              
Preferred Stock, Par or Stated Value Per Share | $ / shares     $ 0.01 $ 0.01              
Series C Preferred Stock | Subsequent Event                      
Class of Stock [Line Items]                      
Preferred Stock, Dividend Rate, Percentage | Rate 5.875%                    
Preferred Stock, Par or Stated Value Per Share | $ / shares $ 0.01                    
Depositary Share, Redemption, Declared And Unpaid Dividends | $ / shares $ 14.69                    
Series C Preferred Stock | Retained Earnings [Member]                      
Class of Stock [Line Items]                      
Dividends, Preferred Stock, Cash         $ (1,000) $ (1,000) $ (4,000) $ (4,000)      
Series E Preferred Stock                      
Class of Stock [Line Items]                      
Preferred Stock, Shares Outstanding | shares         5,000   5,000        
Preferred Stock, Value, Outstanding         $ 495,000   $ 495,000        
Preferred Stock, Redemption Date             Apr. 15, 2023        
Preferred Stock, Dividend Rate, Percentage | Rate             5.70%        
Preferred Stock, Dividends Per Share, Declared | $ / shares         $ 1,425 $ 1,425 $ 4,275 $ 4,275      
Series E Preferred Stock | Retained Earnings [Member]                      
Class of Stock [Line Items]                      
Dividends, Preferred Stock, Cash         $ (7,000) $ (7,000) $ (21,000) $ (21,000)      
Series D Preferred Stock                      
Class of Stock [Line Items]                      
Depository Share, Percent Interest in Preferred Stock             0.025        
Preferred Stock, Dividend Rate, Percentage | Rate   6.25%                  
Preferred Stock, Dividends Per Share, Declared | $ / shares         $ 0 $ 15.63 $ 31.25 $ 46.88      
Preferred Stock, Par or Stated Value Per Share | $ / shares   $ 0.01                  
Depositary Share, Redemption, Declared And Unpaid Dividends | $ / shares   $ 15.625                  
Stock Repurchased and Retired During Period, Value         $ 600,000   $ 600,000        
Series D Preferred Stock | Retained Earnings [Member]                      
Class of Stock [Line Items]                      
Dividends, Preferred Stock, Cash         0 $ (10,000) (18,000) $ (29,000)      
Stock Repurchased and Retired During Period, Value         $ 15,000   $ 15,000        
Series F Preferred Stock                      
Class of Stock [Line Items]                      
Preferred Stock, Shares Outstanding | shares         5,000   5,000        
Preferred Stock, Value, Outstanding         $ 494,000   $ 494,000        
Preferred Stock, Redemption Date             Jul. 15, 2030        
Preferred Stock, Dividend Rate, Percentage | Rate             5.625%        
Preferred Stock, Liquidation Preference, Value         $ 100   $ 100        
Preferred Stock, Dividends Per Share, Declared | $ / shares         $ 1,406.25 $ 2,062.5 $ 4,218.75 $ 2,062.5      
Series F Preferred Stock | Retained Earnings [Member]                      
Class of Stock [Line Items]                      
Dividends, Preferred Stock, Cash         $ (7,000) $ (10,000) $ (21,000) $ (10,000)      
Series G Preferred Stock                      
Class of Stock [Line Items]                      
Preferred Stock, Shares Outstanding | shares         5,000   5,000        
Preferred Stock, Value, Outstanding         $ 494,000   $ 494,000        
Preferred Stock, Redemption Date             Oct. 15, 2027        
Preferred Stock, Dividend Rate, Percentage | Rate             4.45%        
Preferred Stock, Dividends Per Share, Declared | $ / shares         $ 1,112.5 $ 0 $ 3,337.5 $ 0      
Series G Preferred Stock | Retained Earnings [Member]                      
Class of Stock [Line Items]                      
Dividends, Preferred Stock, Cash         $ (6,000) $ 0 $ (18,000) $ 0      
Series H Preferred Stock                      
Class of Stock [Line Items]                      
Preferred Stock, Shares Outstanding | shares         500,000   500,000        
Preferred Stock, Value, Outstanding         $ 486,000   $ 486,000        
Preferred Stock, Redemption Date             Apr. 15, 2026        
Preferred Stock, Dividend Rate, Percentage | Rate             4.50%        
Preferred Stock, Dividends Per Share, Declared | $ / shares         $ 11.25 $ 0 $ 30.75 $ 0      
Series H Preferred Stock | Retained Earnings [Member]                      
Class of Stock [Line Items]                      
Dividends, Preferred Stock, Cash         $ (6,000) $ 0 $ (16,000) $ 0      
Series I Preferred Stock                      
Class of Stock [Line Items]                      
Preferred Stock, Shares Outstanding | shares         7,000   7,000        
Preferred Stock, Value, Outstanding         $ 175,000   $ 175,000        
Preferred Stock, Redemption Date             Dec. 01, 2022        
Preferred Stock, Dividend Rate, Percentage | Rate       5.70%     5.70%        
Preferred Stock, Dividends Per Share, Declared | $ / shares         $ 356.25 $ 0 $ 712.50 $ 0      
Preferred Stock, Par or Stated Value Per Share | $ / shares     $ 0.01 $ 0.01              
Series I Preferred Stock | Retained Earnings [Member]                      
Class of Stock [Line Items]                      
Dividends, Preferred Stock, Cash         $ (2,000) $ 0 $ (5,000) $ 0      
London Interbank Offered Rate (LIBOR) | Series B Preferred Stock                      
Class of Stock [Line Items]                      
Preferred Stock, Basis Spread On Variable Rate         2.70%   2.70%