GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying amount and accumulated amortization of intangible assets, amortizable and arose from merger (Details) - USD ($)	Feb. 01, 2021	Dec. 31, 2021	Dec. 31, 2020
Acquired intangible assets:
Gross carrying value		$ 10,984,000
Accumulated amortization		(2,622,000)
Net carrying amount		8,362,000	$ 0
Core deposits
Acquired intangible assets:
Gross carrying amount of intangible assets	$ 10,200,000
Gross carrying value		10,204,000
Accumulated amortization		(1,962,000)
Net carrying amount		8,242,000
Noncompete Agreements
Acquired intangible assets:
Gross carrying amount of intangible assets	$ 780,000
Gross carrying value		780,000
Accumulated amortization		(660,000)
Net carrying amount		$ 120,000