Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Narrative) (Details)

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STOCKHOLDERS' EQUITY (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Jun. 09, 2020
Mar. 31, 2021
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Preferred stock, shares authorized   500,000 500,000
Preferred stock, shares outstanding   17,250 17,250
Depositary Shares      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Shares issued and sold 6,900,000    
Number of shares to be purchased upon the exercise of options 900,000    
Preferred stock, liquidation preference (usd per share) $ 25    
Series A Preferred Stock      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Number of preferred stock represented by each depositary share   The Series A preferred stock is represented by depositary shares, each representing a 1/400th ownership interest in a share of Series A preferred stock  
Preferred stock, liquidation preference (usd per share) $ 10,000    
Net proceeds from issuance of preferred stock $ 166.4