OTHER INTANGIBLE ASSETS - Carrying amount and accumulated amortization of intangible assets, amortizable and arose from merger (Details) - USD ($) $ in Thousands	Feb. 01, 2021	Sep. 30, 2022	Dec. 31, 2021
Acquired intangible assets:
Gross carrying value		$ 10,984	$ 10,984
Accumulated amortization		(4,069)	(2,622)
Net carrying amount		6,915	8,362
Core deposits
Acquired intangible assets:
Gross carrying amount of intangible assets	$ 10,200
Gross carrying value		10,204	10,204
Accumulated amortization		(3,289)	(1,962)
Net carrying amount		6,915	8,242
Noncompete Agreements
Acquired intangible assets:
Gross carrying amount of intangible assets	$ 780
Gross carrying value		780	780
Accumulated amortization		$ (780)	(660)
Net carrying amount			$ 120