SHAREHOLDERS' EQUITY (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Weighted average shares outstanding:
Weighted average basic common shares (in shares)	12,941,000	12,793,000	13,199,000
Effect of stock options (in shares)	0	0	407,000
Effect of dilutive share awards (in shares)	0	0	89,000
Weighted average diluted common shares (in shares)	12,941,000	12,793,000	13,695,000
Additional disclosure
Anti-dilutive securities excluded from calculation of diluted earnings per share	0	200,000
Common Stock Repurchases
Purchase of treasury stock (in shares)	0	379,895	334,253
Value of treasury stock acquired		$ 43,009	$ 40,008
Remaining authorized repurchase amount	$ 96,700
2025 Convertible Notes
Additional disclosure
Interest rate	0.50%	0.50%	0.50%
2022 Convertible Notes
Additional disclosure
Interest rate		0.625%	0.625%
Stock Options
Additional disclosure
Anti-dilutive securities excluded from calculation of diluted earnings per share	1,200,000	1,000,000	900,000
RSUs
Additional disclosure
Anti-dilutive securities excluded from calculation of diluted earnings per share	500,000	400,000	100,000
Convertible Debt
Additional disclosure
Anti-dilutive securities excluded from calculation of diluted earnings per share	1,200,000	2,100,000	2,100,000