EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net Income (Loss)	$ 27,059	$ 25,598	$ 66,374	$ 59,493
Denominator:
Denominator for basic earnings per share	26,292,000	26,262,000	26,334,000	26,281,000
Dilutive effect of unvested employee stock awards	209,000	172,000	184,000	125,000
Denominator for diluted earnings per share	26,501,000	26,434,000	26,518,000	26,406,000
Earnings per share:
Basic	$ 1.03	$ 0.97	$ 2.52	$ 2.26
Diluted	$ 1.02	$ 0.97	$ 2.50	$ 2.25
Additional Disclosure
Employee stock awards excluded from computation of diluted earnings per share	0	0	0	0