CAPITAL STOCK AND STOCK AWARD PLANS - Stock Options Grants by First Vesting Date (Details)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, net of forfeitures (in shares)	4,234,446
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 15.70
Unvested options (in shares)	1,704,187
First Vesting Date Dec 31 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, net of forfeitures (in shares)	1,441,636
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 14.25
Unvested options (in shares)	276,353
First Vesting Date Dec 31 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, net of forfeitures (in shares)	1,154,019
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 20.12
Unvested options (in shares)	451,674
First Vesting Date Dec 31 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, net of forfeitures (in shares)	1,638,791
Weighted average grant date fair value (in dollars per share) | $ / shares	$ 13.87
Unvested options (in shares)	976,160