FAIR VALUE - Summary of assets and liabilities measured at fair value on a recurring or nonrecurring, the significant unobservable inputs (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset		$ 1,441	$ 763
Fair Value, Recurring
Summary of assets measured on a recurring and nonrecurring basis
Loans held at fair value, Fair value		8,646	13,726
Guarantee asset, Fair Value		270	189
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Summary of assets measured on a recurring and nonrecurring basis
Loans held at fair value, Fair value		0	0
Guarantee asset, Fair Value		0	0
Fair Value, Recurring | Significant Other Observable Inputs (Level 2)
Summary of assets measured on a recurring and nonrecurring basis
Loans held at fair value, Fair value		0	0
Guarantee asset, Fair Value		0	0
Fair Value, Recurring | Significant Unobservable Inputs (Level 3)
Summary of assets measured on a recurring and nonrecurring basis
Loans held at fair value, Fair value		8,646	13,726
Guarantee asset, Fair Value		270	189
Fair Value, Recurring | Corporate bonds | Minimum | Discount rate | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Loans held for investment at fair value, measurement input	7.00%
Fair Value, Recurring | Corporate bonds | Maximum | Discount rate | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Loans held for investment at fair value, measurement input	(8.00%)
Fair Value, Recurring | Corporate bonds | Weighted Average | Discount rate | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Loans held for investment at fair value, measurement input	(8.00%)
Fair Value, Recurring | Loans Held at Fair Value | Discount rate | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Loans held at fair value, Fair value		$ 8,646	$ 13,726
Loans held for investment at fair value, measurement input		8.00%
Fair Value, Recurring | Loans Held at Fair Value | Weighted Average | Discount rate | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Loans held for investment at fair value, measurement input		(8.00%)
Fair Value, Recurring | Guarantee Asset | Discount rate | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Guarantee assets, measurement input		5.00%	5.00%
Fair Value, Recurring | Guarantee Asset | Prepayment Rate | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Guarantee asset, Fair Value		$ 270	$ 189
Guarantee assets, measurement input		8.50%	(5.00%)
Fair Value, Recurring | Guarantee Asset | Weighted Average | Discount rate | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Guarantee assets, measurement input		(5.00%)	(5.00%)
Fair Value, Recurring | Guarantee Asset | Weighted Average | Prepayment Rate | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Guarantee assets, measurement input		(8.50%)	5.00%
Fair Value, Recurring | IRLC, net
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset		$ 1,078	$ 345
Fair Value, Recurring | IRLC, net | Quoted Prices in Active Markets for Identical Assets (Level 1)
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset		0	0
Fair Value, Recurring | IRLC, net | Significant Other Observable Inputs (Level 2)
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset		0	0
Fair Value, Recurring | IRLC, net | Significant Unobservable Inputs (Level 3)
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset		1,078	345
Fair Value, Recurring | IRLC, net | Pull through | Significant Unobservable Inputs (Level 3) | Best execution model
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset		$ 1,078	$ 345
Fair Value, Recurring | IRLC, net | Minimum | Pull through | Significant Unobservable Inputs (Level 3) | Best execution model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets		0.66	0.48
Fair Value, Recurring | IRLC, net | Maximum | Pull through | Significant Unobservable Inputs (Level 3) | Best execution model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets		1	1
Fair Value, Recurring | IRLC, net | Weighted Average | Pull through | Significant Unobservable Inputs (Level 3) | Best execution model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets		(0.84)	0.86
Fair Value, Recurring | Equity Warrants | Volatility | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset			$ 795
Fair Value, Recurring | Equity Warrants | Risk-free interest rate | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset		$ 795
Fair Value, Recurring | Equity Warrants | Minimum | Volatility | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets		0.230	0.201
Fair Value, Recurring | Equity Warrants | Minimum | Risk-free interest rate | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets		0.0406
Fair Value, Recurring | Equity Warrants | Minimum | Remaining life | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets, period (in years)	2 years	0 years
Fair Value, Recurring | Equity Warrants | Maximum | Volatility | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets		0.596	0.230
Fair Value, Recurring | Equity Warrants | Maximum | Risk-free interest rate | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets			0.0462
Fair Value, Recurring | Equity Warrants | Maximum | Remaining life | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets, period (in years)	2 years 10 days	1 year 3 months
Fair Value, Recurring | Equity Warrants | Weighted Average | Volatility | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets		(0.304)	0.224
Fair Value, Recurring | Equity Warrants | Weighted Average | Risk-free interest rate | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative assets		(0.0406)	0.0462
Fair Value, Nonrecurring
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		$ 15,464	$ 15,464
Fair Value, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		8,646	8,646
Fair Value, Nonrecurring | Significant Other Observable Inputs (Level 2)
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		15,464	15,464
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3)
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		$ 8,646	8,646
Fair Value, Nonrecurring | Loss given default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Other Real Estate Owned, Measurement Input		0.060
Fair Value, Nonrecurring | Loss given default | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential, OREO | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Other Real Estate Owned, Measurement Input		0.05
Fair Value, Nonrecurring | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Consumer and Other | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans			$ 7,500
Impaired Loans, Measurement Input			(46.00%)
Fair Value, Nonrecurring | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans			$ 2,438
Impaired Loans, Measurement Input			(46.00%)
Fair Value, Nonrecurring | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		$ 25,615	$ 24,791
Impaired Loans, Measurement Input			(46.00%)
Fair Value, Nonrecurring | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans			$ 799
Impaired Loans, Measurement Input			(21.00%)
Fair Value, Nonrecurring | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		11.00%
Fair Value, Nonrecurring | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Owner Occupied CRE | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		$ 144	$ 3,980
Impaired Loans, Measurement Input			(46.00%)
Fair Value, Nonrecurring | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential, OREO | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		11,421
Fair Value, Nonrecurring | Measurement Input Loss Given Default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans			$ 148
Fair Value, Nonrecurring | Measurement Input Loss Given Default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		$ 691
Fair Value, Nonrecurring | Minimum | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Owner Occupied CRE | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		8.00%
Fair Value, Nonrecurring | Minimum | Measurement Input Loss Given Default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input			(14.00%)
Fair Value, Nonrecurring | Maximum | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Owner Occupied CRE | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		62.00%
Fair Value, Nonrecurring | Maximum | Measurement Input Loss Given Default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input			(62.00%)
Fair Value, Nonrecurring | Weighted Average | Loss given default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Other Real Estate Owned, Measurement Input		(0.060)
Fair Value, Nonrecurring | Weighted Average | Loss given default | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential, OREO | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Other Real Estate Owned, Measurement Input		(0.050)
Fair Value, Nonrecurring | Weighted Average | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Consumer and Other | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input			8.00%
Fair Value, Nonrecurring | Weighted Average | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input			8.00%
Fair Value, Nonrecurring | Weighted Average | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input			8.00%
Fair Value, Nonrecurring | Weighted Average | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input			11.00%
Fair Value, Nonrecurring | Weighted Average | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		11.00%
Fair Value, Nonrecurring | Weighted Average | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Owner Occupied CRE | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		(42.00%)	8.00%
Fair Value, Nonrecurring | Weighted Average | Measurement Input Loss Given Default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input			20.00%