INTEREST RATE SWAPS - NON-HEDGE (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Information about derivatives and swaps
Fair value of securities pledged as collateral	$ 415,244,000	$ 319,808,000
Counterparty
Information about derivatives and swaps
Fair value of securities pledged as collateral	0	6,800,000
Counterparty | Minimum
Information about derivatives and swaps
Net loss position in which pledged securities as collateral are required	250,000
Interest rate swap | Non-Hedge
Information about derivatives and swaps
Interest rate swaps with Bank clients - Total, Notional Amount	231,532,000	247,850,000
Interest rate swap | Non-Hedge | Bank Clients
Information about derivatives and swaps
Interest rate swaps with Bank clients - Assets, Notional Amount	22,009,000	107,502,000
Interest rate swaps with Bank clients - Liabilities, Notional Amount	93,757,000	16,423,000
Interest rate swaps with Bank clients - Total, Notional Amount	115,766,000	123,925,000
Interest rate swaps with Bank clients - Assets, Fair Value	595,000	5,786,000
Interest rate swaps with Bank clients - Liabilities, Fair Value	(4,501,000)	(298,000)
Interest rate swaps with Bank clients - Total, Fair Value	(3,906,000)	5,488,000
Interest rate swap | Non-Hedge | Counterparty
Information about derivatives and swaps
Interest rate swaps with Bank clients - Total, Notional Amount	115,766,000	123,925,000
Interest rate swaps with Bank clients - Total, Fair Value	$ 3,906,000	$ (5,488,000)