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STOCK-BASED COMPENSATION - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Number of Shares
Outstanding at beginning of year (in shares)	1,396,794
Granted (in shares)	43,908
Exercised (in shares)	(316,682)
Forfeited (in shares)	(6,660)
Expired (in shares)	(3,160)
Outstanding at end of year (in shares)	1,114,200	1,396,794
Exercisable at end of year (in shares)	822,063
Weighted-Average Exercise Price
Outstanding at beginning of year (in dollars per share)	$ 15.36
Granted (in dollars per share)	38.82
Exercised (in dollars per share)	15.59
Forfeited (in dollars per share)	15.47
Expired (in dollars per share)	12.82
Outstanding at end of year (in dollars per share)	15.86	$ 15.36
Exercisable at end of year (in dollars per share)	14.52
Additional disclosure
Weighted-average fair value of options granted during the year (in dollars per share)	$ 10.61	$ 4.48	$ 4.22

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Gross number of share options (or share units) granted during the period.

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