NET EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share, Basic and Diluted [Abstract]
Net Earnings - Basic and Diluted	$ 28,930	$ 23,411
Weighted average common shares - basic (in shares)	32,041,000	32,255,000
Effect of dilutive securities - stock options, restricted stock, and performance shares (in shares)	434,000	402,000
Weighted average common shares - diluted (in shares)	32,475,000	32,657,000
Net earnings per share - basic (in dollars per share)	$ 0.90	$ 0.73
Net earnings per share - diluted (in dollars per share)	$ 0.89	$ 0.72
Anti-dilutive shares (in shares)	113,029	311,030