BORROWED FUNDS - Short-term borrowings (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
BORROWED FUNDS AND SUBORDINATED DEBT
Short-term borrowings	$ 80,062,000	$ 1,803,000
FHLB-Pittsburgh borrowings
BORROWED FUNDS AND SUBORDINATED DEBT
Short-term borrowings	77,000,000	0
Customer repurchase agreements
BORROWED FUNDS AND SUBORDINATED DEBT
Short-term borrowings	$ 3,062,000	$ 1,803,000

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant