EARNINGS PER SHARE - Reconciliation (Details) - $ / shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Shares
Basic (in shares)	18,731	19,243	18,948	19,229
Effect of dilutive stock options (in shares)	359	375	367	407
Diluted (in shares)	19,090	19,618	19,315	19,636
Per Share Amount
Basic (in dollars per share)	$ 1.21	$ 1.16	$ 2.16	$ 2.08
Effect of dilutive stock options (in dollars per share)	(0.02)	(0.02)	(0.04)	(0.04)
Diluted (in dollars per share)	$ 1.19	$ 1.14	$ 2.12	$ 2.04