STOCK-BASED COMPENSATION - Activity of Non-Option Awards (Details) - LTIP	12 Months Ended
	Dec. 31, 2021 $ / shares shares
RSUs and DSUs
Stock Units
Non-vested, beginning of year (in shares) | shares	550,056
Granted (in shares) | shares	662,748
Vested (in shares) | shares	(373,696)
Forfeited (in shares) | shares	(24,046)
Non-vested, end of year (in shares) | shares	815,062
Weighted-Average Grant-Date Fair Value
Non-vested, beginning of year (in dollars per share) | $ / shares	$ 20.30
Granted (in dollars per share) | $ / shares	50.12
Vested (in dollars per share) | $ / shares	25.61
Forfeited (in dollars per share) | $ / shares	17.99
Non-vested, end of year (in dollars per share) | $ / shares	$ 42.18
PSUs
Stock Units
Non-vested, beginning of year (in shares) | shares	185,588
Granted (in shares) | shares	177,034
Vested (in shares) | shares	(43,255)
Non-vested, end of year (in shares) | shares	319,367
Weighted-Average Grant-Date Fair Value
Non-vested, beginning of year (in dollars per share) | $ / shares	$ 22.63
Granted (in dollars per share) | $ / shares	88.13
Vested (in dollars per share) | $ / shares	32.68
Non-vested, end of year (in dollars per share) | $ / shares	$ 57.58
PSUs | Minimum
Weighted-Average Grant-Date Fair Value
Ratio at which award holders get common stock of the company	0
PSUs | Maximum
Weighted-Average Grant-Date Fair Value
Ratio at which award holders get common stock of the company	2