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STOCKHOLDERS' EQUITY - NARRATIVE (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2020
Oct. 24, 2014
Nov. 01, 2007
Equity, Class of Treasury Stock [Line Items]        
Repurchased shares, value   $ 30,642,000    
Stock Repurchase Program        
Equity, Class of Treasury Stock [Line Items]        
Stock repurchase program, authorized amount       $ 50,000,000.0
Stock repurchase program, additional authorized amount     $ 30,000,000.0  
Repurchased shares (in shares) 0 4,900,000    
Repurchased shares, value   $ 30,600,000    
Stock repurchase program, average cost (in dollars per share)   $ 6.21    
Stock repurchase program, remaining available repurchase amount   $ 0