DEBT SECURITIES - Contractual maturity (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) security	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) security
Securities
Fair Value		$ 14,451,000
Gain on sale and call of securities, net	$ 241,000		$ 241,000
Allowance for Credit Loss		0
Amortized Cost-Available-for-Sale
After 5 years through 10 years		48,142,000
Total for contractual maturity		48,142,000
Amortized Cost		375,293,000		$ 397,671,000
Fair Value-Available-for-Sale
After 5 years through 10 years		39,402,000
Total for contractual maturity		39,402,000
Total		304,852,000		$ 394,036,000
Amortized Cost-Held-to-Maturity
Amortized Cost		15,000,000
After 5 years through 10 years		15,000,000
Total for contractual maturity		15,000,000
Total		15,000,000
Fair Value-Held-to-Maturity
After 5 years through 10 years		14,451,000
Total for contractual maturity		14,451,000
Total		$ 14,451,000
Sales
Proceeds	39,321,000		39,321,000
Gross gains	241,000		241,000
Calls
Proceeds	$ 5,000,000		$ 5,000,000
Number of holdings greater than 10% of shareholder equity | security		0
Interest rate swaps | Mortgage-backed securities
Securities
Number of securities pledged | security				17
Pledged as collateral		$ 0		$ 13,900,000
Minimum
Securities
Maturity period		1 year
Maximum
Securities
Maturity period		29 years
U.S. government agency and government-sponsored residential mortgage-backed securities
Amortized Cost-Available-for-Sale
No single maturity date		$ 321,628,000
Amortized Cost		321,628,000		347,716,000
Fair Value-Available-for-Sale
No single maturity date		260,227,000
Total		260,227,000		344,760,000
U.S. government-sponsored collateralized mortgage obligations
Amortized Cost-Available-for-Sale
No single maturity date		2,838,000
Amortized Cost		2,838,000		3,927,000
Fair Value-Available-for-Sale
No single maturity date		2,733,000
Total		2,733,000		4,027,000
SBA asset-backed securities
Amortized Cost-Available-for-Sale
No single maturity date		2,685,000
Amortized Cost		2,685,000		3,880,000
Fair Value-Available-for-Sale
No single maturity date		2,490,000
Total		2,490,000		3,984,000
U.S. government and government-sponsored enterprise obligations
Securities
Fair Value		14,451,000
Amortized Cost-Available-for-Sale
Amortized Cost		47,142,000		42,148,000
Fair Value-Available-for-Sale
Total		38,542,000		$ 41,265,000
Amortized Cost-Held-to-Maturity
Amortized Cost		15,000,000
Fair Value-Held-to-Maturity
Total		$ 14,451,000
U.S. government and government-sponsored enterprise obligations | Minimum
Securities
Maturity period		5 years
Callable period		1 month
U.S. government and government-sponsored enterprise obligations | Maximum
Securities
Maturity period		10 years
Callable period		5 years
U.S. government and government-sponsored enterprise obligations and corporate bonds
Fair Value-Available-for-Sale
Total		$ 53,900,000