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Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Millions
Feb. 05, 2021
Jan. 08, 2021
Mar. 12, 2019
Feb. 15, 2019
Dec. 31, 2020
Dec. 31, 2019
Mar. 11, 2019
Feb. 28, 2019
Feb. 14, 2019
Feb. 13, 2019
Dec. 31, 2018
Aug. 18, 2017
Subsequent Event [Line Items]                        
Dividend Per Share (USD per share)             $ 0.14   $ 0.41      
Declared date     Mar. 11, 2019 Feb. 14, 2019                
Payment Date     Apr. 25, 2019 Mar. 15, 2019                
Record Date     Mar. 29, 2019 Mar. 01, 2019                
Common shares         $ 0.001 $ 0.001   $ 0.001        
Senior Notes                        
Subsequent Event [Line Items]                        
Debt Instrument, Interest Rate, Stated Percentage                   5.50% 5.55% 5.25%
Debt Instrument, Face Amount                   $ 86.0   $ 86.0
Subsequent Event [Member]                        
Subsequent Event [Line Items]                        
Dividend Per Share (USD per share) $ 0.10                      
Declared date Feb. 05, 2021 Jan. 08, 2021                    
Payment Date Mar. 25, 2021                      
Record Date Feb. 26, 2021                      
Subsequent Event [Member] | Common Stock                        
Subsequent Event [Line Items]                        
Dividend Per Share (USD per share)   $ 0.10                    
Payment Date   Feb. 25, 2021                    
Record Date   Jan. 29, 2021                    
Subsequent Event [Member] | Preferred Stock [Member]                        
Subsequent Event [Line Items]                        
Dividend Per Share (USD per share)   $ 0.421875                    
Payment Date   Feb. 01, 2021                    
Record Date   Jan. 19, 2021