CAPITAL STOCK AND SHARE-BASED COMPENSATION - Non-Vested Stock Option Activity (Details)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Number of Shares
Non-vested stock options beginning balance (shares) | shares	188,612
Granted (shares) | shares	40,788
Vested (shares) | shares	(88,116)
Forfeited (shares) | shares	(11,845)
Non-vested stock options ending balance (shares) | shares	129,439
Weighted Average Grant Date Fair Value
Non-vested stock options beginning balance (usd per share) | $ / shares	$ 56.55
Granted (usd per share) | $ / shares	268.32
Vested (usd per share) | $ / shares	106.75
Forfeited (usd per share) | $ / shares	171.25
Non-vested stock options ending balance (usd per share) | $ / shares	$ 182.45