EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator:
Net Income (Loss)	$ 19,697	$ 25,398	$ 33,895	$ 47,190
Denominator:
Denominator for basic earnings per share	26,256	26,268	26,291	26,262
Dilutive effect of unvested employee stock awards	109	161	109	155
Denominator for diluted earnings per share	26,365	26,429	26,400	26,417
Earnings per share:
Basic	$ 0.75	$ 0.97	$ 1.29	$ 1.80
Diluted	$ 0.75	$ 0.96	$ 1.28	$ 1.79
Additional Disclosure
Employee stock awards excluded from computation of diluted earnings per share	0	0	0	0