EARNINGS PER SHARE - Basic And Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic, numerator:
Net income, Basic	$ 88,842	$ 63,691	$ 260,872	$ 148,033
Basic, denominator:
Weighted-average shares	24,605,228	25,632,805	24,640,706	25,559,642
Earnings per common share (in dollars per share)	$ 3.61	$ 2.48	$ 10.59	$ 5.79
Diluted, numerator:
Net income, Diluted	$ 88,842	$ 63,691	$ 260,872	$ 148,033
Diluted, denominator:
Weighted-average shares	24,605,228	25,632,805	24,640,706	25,559,642
Effect of dilutive securities	767,527	1,137,341	985,519	1,312,739
Adjusted weighted-average shares and assumed conversions	25,372,755	26,770,146	25,626,225	26,872,381
Earnings per common share (in dollars per share)	$ 3.50	$ 2.38	$ 10.18	$ 5.51