NET EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net Earnings - Basic and Diluted	$ 29,075	$ 30,110	$ 22,710	$ 25,249	$ 29,782	$ 28,930	$ 81,895	$ 83,961
Weighted Average Common Shares - Basic (in shares)	32,116,000			32,010,000			32,102,000	32,017,000
Effect of Dilutive Securities - Stock Options, Restricted Stock, and Performance Shares (in shares)	360,000			357,000			338,000	375,000
Weighted Average Common Shares - Diluted (in shares)	32,476,000			32,367,000			32,440,000	32,392,000
Net Earnings Per Share - Basic (in dollars per share)	$ 0.91			$ 0.79			$ 2.55	$ 2.62
Net Earnings Per Share - Diluted (in dollars per share)	$ 0.90			$ 0.78			$ 2.52	$ 2.59
Anti-dilutive shares (in shares)	332,339			362,203			355,419	369,183