LOANS AND ALLOWANCE FOR LOAN LOSSES - Types of loan modifications (Details)	3 Months Ended					6 Months Ended
	Jun. 30, 2022 contract	Jun. 30, 2022 loan	Mar. 31, 2022 contract	Jun. 30, 2021 contract	Jun. 30, 2021 loan	Jun. 30, 2022 loan contract	Jun. 30, 2021 contract	Jun. 30, 2021 loan
Financing Receivable, Modifications, Number of Contracts	1	1	0	0	0	1	3	3
Term Modification
Financing Receivable, Modifications, Number of Contracts						1	2	2
Payment Modification
Financing Receivable, Modifications, Number of Contracts		1				1	1	1
Commercial Real Estate
Financing Receivable, Modifications, Number of Contracts		1				1		3
Commercial Real Estate | Term Modification
Financing Receivable, Modifications, Number of Contracts								2
Commercial Real Estate | Payment Modification
Financing Receivable, Modifications, Number of Contracts		1				1		1