EARNINGS PER SHARE - Share Repurchase (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended					9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jul. 31, 2022
EARNINGS PER SHARE
Amount paid or accrued to repurchase shares	$ 2,342	$ 17,019	$ 6,594	$ 52,555	$ 6,503	$ 25,955	$ 59,058
Number of shares repurchased	34,000			605,000		346,000	677,000
Average repurchase price per share	$ 69.39			$ 86.93		$ 75.07	$ 87.30
Shares repurchased from related parties						0
Remaining authorized by Board of Directors for future repurchases as of period end	$ 200,000					$ 200,000
Stock repurchase plan authorized amount								$ 200,000