FAIR VALUE - Schedule of Financial Assets (Liabilities) Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 178,644	$ 188,927
Cash surrender value of life insurance	42,096	38,404
Individually evaluated collateral dependent loans	14,527
Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated collateral dependent loans	2,149,124	2,217,606
Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	132,141	130,341
Collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	17,590	20,157
Municipal securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	2,364	10,642
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	26,549	27,787
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	2,506	3,156
Cash surrender value of life insurance	42,096	38,404
SBA servicing assets	709	874
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	132,141	130,341
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	17,590	20,157
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	2,364	10,642
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	26,549	27,787
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	0
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 | 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	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	42,096	38,404
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	132,141	130,341
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	17,590	20,157
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	2,364	10,642
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	26,549	27,787
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	0
Significant Other Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	2,506	3,156
Cash surrender value of life insurance	0	0
SBA servicing assets	709	874
Individually evaluated collateral dependent loans	14,527
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	2,149,124	2,217,606
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 | 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	$ 0