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BENEFIT PLANS AND CAPITAL TRANSACTIONS - Narrative (Details) - USD ($)
 1 Months Ended 12 Months Ended
Jan. 15, 2021
Sep. 04, 2020
Oct. 11, 2019
Oct. 07, 2019
Oct. 30, 2018
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Jan. 09, 2024
Feb. 22, 2023
Oct. 28, 2021
Oct. 25, 2021
Dec. 31, 2020
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Employer contribution           $ 2,657,000 $ 2,550,000 $ 2,125,000          
Authorized amount                       $ 50,000,000  
Stock repurchase program, remaining authorized repurchase amount           $ 34,206,000              
Sold price per unit (in dollars per share) $ 2,090,909             $ 10.00          
Share issued (in shares) 55.00                        
Net proceeds (in dollars) $ 114,507,000                        
Preferred stock, par value (in dollars per share)           $ 0.0001 $ 0.0001            
Preferred stock, liquidation preference           $ 114,082,000 $ 113,615,000            
Depository shares (in shares)           0 20            
Common stock, shares issued (in shares)           29,937,067 28,523,764            
Common stock, shares outstanding (in shares)           29,937,067 28,523,764            
Dividends payable (in dollars per share)                   $ 0.50      
Dividends paid in cash (in dollars)           $ 141,100,000 $ 119,454,000 $ 347,135,000          
Minimum | Board of Directors                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Dividends payable (in dollars per share)                     $ 0.50    
Maximum | Board of Directors                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Dividends payable (in dollars per share)                     $ 1.00    
Series A Preferred Stock                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Preferred stock, liquidation preference             $ 70,854,000            
Common stock, shares issued (in shares)             2,834            
Common stock, shares outstanding (in shares)             2,834            
Depositary Shares, each representing a 1/1000th fractional interest in a 6.875% share of Series A Cumulative Perpetual Preferred Stock                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Dividends payable (in dollars per share)           $ 0.4296875 $ 0.4296875            
Series B Preferred Stock                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Preferred stock percentage   7.375%                      
Preferred stock, par value (in dollars per share)   $ 0.0001                      
Preferred stock, liquidation preference   $ 25,000       $ 43,228,000 $ 42,761,000            
Price per share (in dollars per share)   $ 25                      
Common stock shares issued (in shares)   1,300                      
Depositary shares issued (in shares)   1,300,000                      
Gross proceeds from depositary shares (in dollars)   $ 32,500,000                      
Depository shares (in shares)           18 13            
Common stock, shares issued (in shares)           1,729 1,710            
Common stock, shares outstanding (in shares)           1,729 1,710            
Depositary Shares, each representing a 1/1000th fractional interest in a 7.375% share of Series B Cumulative Perpetual Preferred Stock                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Dividends payable (in dollars per share)           $ 0.4609375 $ 0.4609375            
Common Stock, par value $0.0001 per share                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Authorized annual share repurchase amount (in dollars)         $ 50,000,000                
Repurchase shares of common stock (in shares)           2,174,608              
Repurchase of common stock amount (in dollars)           $ 69,490,000              
Average price (in dollars per share)           $ 31.95              
Common stock, shares outstanding (in shares)           29,937,067 28,523,764 27,591,028         25,777,796
Depositary Shares | Series A Preferred Stock                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Preferred stock percentage       6.875%   6.875%              
Preferred stock, par value (in dollars per share)       $ 0.0001                  
Preferred stock, liquidation preference       $ 25,000   $ 25,000              
Price per share (in dollars per share)       $ 25.00   $ 25.00              
Common stock shares issued (in shares)       2,000                  
Depositary shares issued (in shares)     300,000 2,000,000                  
Offering of depositary shares (in shares)       2,300,000                  
Gross proceeds from depositary shares (in dollars)       $ 57,500                  
Dividends payable             $ 812,000            
Depositary Shares | Series A Preferred Stock | Subsequent Event                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Depository per share (in dollars per share)                 $ 0.4296875        
Depositary Shares | Series A Preferred Stock | Minimum                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Depository per share (in dollars per share)           1,718.75              
Depositary Shares | Series A Preferred Stock | Maximum                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Depository per share (in dollars per share)           $ 1.71875              
Depositary Shares | Series B Preferred Stock                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Dividends payable           $ 531,000 $ 526,000            
Depositary Shares | Series B Preferred Stock | Subsequent Event                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Depository per share (in dollars per share)                 $ 0.4609375        
Depositary Shares | Series B Preferred Stock | Board of Directors                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Preferred stock percentage             7.375%            
Preferred stock, liquidation preference             $ 25,000            
Price per share (in dollars per share)             $ 25.00            
Depositary Shares | Series B Preferred Stock | Minimum | Board of Directors                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Depository per share (in dollars per share)             1,843.75            
Depositary Shares | Series B Preferred Stock | Maximum | Board of Directors                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Depository per share (in dollars per share)             $ 1.84375            
Employee Stock                          
Benefit Plans and Capital Transactions (Details) [Line Items]                          
Share-based payment arrangement, expense           $ 625,000 $ 369,000 $ 758,000          
Shares reserved for issuance (in shares)           236,949 362,986