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EARNINGS PER SHARE - Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
EARNINGS PER SHARE
Amount paid or accrued to repurchase shares	$ 40,000	$ 2,342	$ 17,019	$ 6,594	$ 40,000	$ 25,955
Number of shares repurchased	378,000	34,000			378,000	346,000
Average repurchase price per share	$ 105.74	$ 69.39			$ 105.74	$ 75.07
Shares repurchased from related parties					0
Remaining amount authorized by Board of Directors for future share repurchases	$ 199,300				$ 199,300

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Number of shares that have been repurchased from related parties during the period and are being held in treasury.

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Amount remaining of a stock repurchase plan authorized.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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-Name Accounting Standards Codification
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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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