FAIR VALUE - Schedule of Financial Assets (Liabilities) Measured at Fair Value (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 228,787,000	$ 196,195,000
Cash surrender value of life insurance	42,119,000	42,348,000
Individually evaluated collateral dependent loans		14,527,000
Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated collateral dependent loans	2,148,577,000	2,187,669,000
Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	183,140,000	149,812,000
Collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	16,114,000	17,074,000
Municipal securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	2,473,000	2,504,000
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	27,060,000	26,805,000
Assets (liabilities) at fair value on a recurring basis:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	874,000	976,000
Cash surrender value of life insurance	42,119,000	42,348,000
SBA servicing assets	661,000	691,000
Assets (liabilities) at fair value on a recurring basis: | Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	183,140,000	149,812,000
Assets (liabilities) at fair value on a recurring basis: | Collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	16,114,000	17,074,000
Assets (liabilities) at fair value on a recurring basis: | Municipal securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	2,473,000	2,504,000
Assets (liabilities) at fair value on a recurring basis: | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	27,060,000	26,805,000
Assets at fair value on a nonrecurring basis: | Fair Value | Other Real Estate Owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	14,900,000
Assets at fair value on a nonrecurring basis: | Fair Value | Asset Pledged As Collateral With Right Member
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated collateral dependent loans		14,527,000
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	0	0
Cash surrender value of life insurance	0	0
SBA servicing assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated collateral dependent loans	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Assets (liabilities) at fair value on a recurring basis: | Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Assets (liabilities) at fair value on a recurring basis: | Collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Assets (liabilities) at fair value on a recurring basis: | Municipal securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Assets (liabilities) at fair value on a recurring basis: | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Assets at fair value on a nonrecurring basis: | Fair Value | Other Real Estate Owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Assets at fair value on a nonrecurring basis: | Fair Value | Asset Pledged As Collateral With Right Member
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated collateral dependent loans		0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	0	0
Cash surrender value of life insurance	42,119,000	42,348,000
SBA servicing assets	0	0
Significant Other Observable Inputs (Level 2) | Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated collateral dependent loans	0	0
Significant Other Observable Inputs (Level 2) | Assets (liabilities) at fair value on a recurring basis: | Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	183,140,000	149,812,000
Significant Other Observable Inputs (Level 2) | Assets (liabilities) at fair value on a recurring basis: | Collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	16,114,000	17,074,000
Significant Other Observable Inputs (Level 2) | Assets (liabilities) at fair value on a recurring basis: | Municipal securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	2,473,000	2,504,000
Significant Other Observable Inputs (Level 2) | Assets (liabilities) at fair value on a recurring basis: | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	27,060,000	26,805,000
Significant Other Observable Inputs (Level 2) | Assets at fair value on a nonrecurring basis: | Fair Value | Other Real Estate Owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	0
Significant Other Observable Inputs (Level 2) | Assets at fair value on a nonrecurring basis: | Fair Value | Asset Pledged As Collateral With Right Member
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated collateral dependent loans		0
Significant Other Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	874,000	976,000
Cash surrender value of life insurance	0	0
SBA servicing assets	661,000	691,000
Individually evaluated collateral dependent loans		14,527,000
Significant Other Unobservable Inputs (Level 3) | Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated collateral dependent loans	2,148,577,000	2,187,669,000
Significant Other Unobservable Inputs (Level 3) | Assets (liabilities) at fair value on a recurring basis: | Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Significant Other Unobservable Inputs (Level 3) | Assets (liabilities) at fair value on a recurring basis: | Collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Significant Other Unobservable Inputs (Level 3) | Assets (liabilities) at fair value on a recurring basis: | Municipal securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Significant Other Unobservable Inputs (Level 3) | Assets (liabilities) at fair value on a recurring basis: | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Significant Other Unobservable Inputs (Level 3) | Assets at fair value on a nonrecurring basis:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	0
Significant Other Unobservable Inputs (Level 3) | Assets at fair value on a nonrecurring basis: | Fair Value | Other Real Estate Owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	$ 14,900,000
Significant Other Unobservable Inputs (Level 3) | Assets at fair value on a nonrecurring basis: | Fair Value | Asset Pledged As Collateral With Right Member
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated collateral dependent loans		$ 14,527,000