MORTGAGE BANKING ACTIVITIES - MORTGAGE LOANS HELD FOR SALE (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
MORTGAGE BANKING ACTIVITIES
Balance, beginning of period	$ 13,302	$ 63,636	$ 29,393	$ 46,867
Origination of mortgage loans held for sale	61,489	141,177	162,150	354,764
Proceeds from the sale of mortgage loans held for sale	(67,759)	(176,424)	(186,971)	(380,239)
Net gain on sale of mortgage loans held for sale	1,459	4,012	3,919	11,009
Balance, end of period	$ 8,491	$ 32,401	$ 8,491	$ 32,401