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STOCKHOLDERS' EQUITY - Share Repurchases and Dividends (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Jul. 12, 2018
Subsequent Event [Line Items]        
Stock repurchase program, authorized amount       $ 300,000,000
Payments for Repurchase of Common Stock $ 54,800,000 $ 200,000 $ 105,000,000  
Treasury stock acquired (in shares) 2,500,000      
Treasury stock acquired, cost method $ 54,900,000 $ 300,000    
Stock repurchased during period, shares   0    
Dividends declared (in dollars per share) $ 0.12      
Share Repurchase Program Approved By Board of Directors        
Subsequent Event [Line Items]        
Treasury stock acquired, cost method $ 54,600,000