OTHER INTANGIBLES - Core Deposit Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Gross carrying amount	$ 123,285	$ 104,643
Other intangibles acquired	0	18,642
Accumulated amortization	(89,640)	(87,443)
Total core deposit and other intangibles	$ 33,645	$ 35,842