FAIR VALUE - Summary of assets and liabilities measured at fair value on a recurring or nonrecurring, the significant unobservable inputs (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
	Jun. 30, 2025	Sep. 30, 2025	Dec. 31, 2024
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset		$ 1,014	$ 1,060
Fair Value, Recurring
Summary of assets measured on a recurring and nonrecurring basis
Loans held at fair value, Fair value		4,208	7,283
Guarantee asset, Fair Value		266	235
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		4,208	7,283
Guarantee asset, Fair Value		266	235
Fair Value, Recurring | Loans Held at Fair Value | 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		$ 4,208	7,283
Fair Value, Recurring | Loans Held at Fair Value | 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%	7.00%
Fair Value, Recurring | Loans Held at Fair Value | 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%)	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	(7.00%)	(7.00%)
Fair Value, Recurring | Guarantee Asset | Significant Unobservable Inputs (Level 3) | Discounted cash flow
Summary of assets measured on a recurring and nonrecurring basis
Guarantee asset, Fair Value		$ 266	$ 235
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 assets, measurement input		10.00%	(15.00%)
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		(10.00%)	15.00%
Fair Value, Recurring | Equity Warrants | Significant Unobservable Inputs (Level 3) | Black-Scholes option pricing model
Summary of assets measured on a recurring and nonrecurring basis
Derivative Asset		$ 765	$ 765
Fair Value, Recurring | Equity Warrants | 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
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		0.213	0.213
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		0.0405	(0.0405)
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		0.638	0.638
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		0.0416	0.0416
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
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		(0.302)	0.302
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		(0.0414)	0.0414
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans			$ 10,314
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans			25,615
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales Comparison-Market Value Approach
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans			784
Fair Value, Nonrecurring | 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			$ 36
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		$ 8,958
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales Comparison-Market Value Approach
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		1,561
Fair Value, Nonrecurring | 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		48
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential, OREO | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans		$ 4,389
Fair Value, Nonrecurring | Commission, Cost To Sell, Closing Costs | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Other Real Estate Owned, Measurement Input			0.05
Fair Value, Nonrecurring | Commission, Cost To Sell, Closing Costs | 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			0.06
Fair Value, Nonrecurring | Commission, Cost To Sell, Closing Costs | 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) | Commercial and Industrial | Sales Comparison-Market Value Approach
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) | Commercial and Industrial | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		73.00%
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, Measurement Input			(80.00%)
Fair Value, Nonrecurring | Minimum | 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		10.00%
Fair Value, Nonrecurring | Minimum | Market rate adjustment | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales Comparison-Market Value Approach
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		7.00%
Fair Value, Nonrecurring | Maximum | 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		20.00%
Fair Value, Nonrecurring | Maximum | Market rate adjustment | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales Comparison-Market Value Approach
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		75.00%
Fair Value, Nonrecurring | Weighted Average | Commission, Cost To Sell, Closing Costs | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Other Real Estate Owned, Measurement Input			(0.05)
Fair Value, Nonrecurring | Weighted Average | Commission, Cost To Sell, Closing Costs | 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			(0.06)
Fair Value, Nonrecurring | Weighted Average | Commission, Cost To Sell, Closing Costs | 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 | Weighted Average | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales Comparison-Market Value Approach
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 | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		(17.00%)
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		(73.00%)
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			80.00%
Fair Value, Nonrecurring | Weighted Average | Market rate adjustment | Significant Unobservable Inputs (Level 3) | Commercial and Industrial | Sales Comparison-Market Value Approach
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input		(59.00%)