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EQUITY AND STOCK COMPENSATION PLANS - Fixed Stock Option Plan (Details) - 2001 Nonqualified Stock Plan
12 Months Ended
Dec. 31, 2019
shares
EQUITY AND STOCK COMPENSATION PLANS  
Number of stock awards authorized to grant 8,000,000
Number of stock awards available for grant 3,976,443
Minimum  
EQUITY AND STOCK COMPENSATION PLANS  
Term of options granted at exercise prices 4 years
Term of options vested 3 years
Maximum  
EQUITY AND STOCK COMPENSATION PLANS  
Term of options granted at exercise prices 10 years
Term of options vested 5 years