Annual report pursuant to Section 13 and 15(d)

STOCK COMPENSATION PLANS - Restricted Stock (Details)

v3.22.0.1
STOCK COMPENSATION PLANS - Restricted Stock (Details) - $ / shares
12 Months Ended
Mar. 13, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Outstanding at beginning of year (in shares)   2,143,583 2,147,183 4,694,360
Outstanding at beginning of year, weighted average grant date fair value (in dollars per share)   $ 7.12 $ 9.10 $ 4.18
Granted (in shares)   678,420 960,637 572,104
Granted, weighted average grant date fair value (in dollars per share)   $ 17.45 $ 4.87 $ 11.24
Distributed (in shares)   (642,992) (1,101,115) (3,058,307)
Distributed, weighted average grant date fair value (in dollars per share)   $ 7.31 $ 8.58 $ 1.95
Forfeited/canceled (in shares)   (56,185) (63,413) (60,974)
Forfeited/canceled, weighted average grant date fair value (in dollars per share)   $ 9.50 $ 7.31 $ 9.31
Outstanding at end of year (in shares)   2,122,826 2,143,583 2,147,183
Outstanding at end of year, weighted average grant date fair value (in dollars per share)   $ 10.31 $ 7.12 $ 9.10
Performance/vesting period   3 years    
Restricted Stock Units (RSUs) | AK Steel        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Granted (in shares) 300,000 0 200,291 0
Granted, weighted average grant date fair value (in dollars per share)   $ 0 $ 4.87 $ 0
Distributed, weighted average grant date fair value (in dollars per share) $ 4.87      
Restricted Stock | AK Steel        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Granted (in shares) 200,000