EARNINGS PER SHARE - Reconciliation (Details) - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Shares
Basic (in shares)	19,215	18,868
Effect of dilutive stock options (in shares)	439	724
Diluted (in shares)	19,654	19,592
Per Share Amount
Basic (in dollars per share)	$ 0.92	$ 0.96
Effect of dilutive stock options (in dollars per share)	(0.02)	(0.04)
Diluted (in dollars per share)	$ 0.90	$ 0.92