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 Thousands
 3 Months Ended 6 Months Ended 8 Months Ended
May 04, 2021
Jun. 09, 2020
Jul. 10, 2019
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Mar. 20, 2020
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]                  
Preferred stock, shares authorized       500,000   500,000     500,000
Shares issued and sold         17,250        
Stock repurchase program, expiration date Jun. 30, 2022   Jun. 30, 2021            
Stock repurchase program, remaining authorized repurchase amount       $ 82,700   $ 82,700   $ 20,000  
Stock repurchase program, number of shares repurchased       1,100,000       3,700,000  
Stock repurchase program, average cost per share               $ 35.48  
Stock repurchase program, shares repurchased amount       $ 42,300          
Preferred stock, shares outstanding       17,250   17,250     17,250
Net proceeds from issuance of preferred stock           $ 0 $ 166,363    
Maximum                  
Accumulated Other Comprehensive Income (Loss) [Line Items]                  
Stock repurchase program, authorized amount $ 125,000   $ 150,000            
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   $ 166,400