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	6 Months Ended
	Mar. 31, 2024	Jun. 30, 2023	Dec. 31, 2023
Summary of assets measured on a recurring and nonrecurring basis
IRLC, net	$ 1,199		$ 763
Fair Value, Recurring
Summary of assets measured on a recurring and nonrecurring basis
Loans held at fair value, Fair value	11,922		13,726
Guarantee asset, Fair Value	199		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	11,922		13,726
Guarantee asset, Fair Value	199		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	$ 11,922		$ 13,726
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	8.00%
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%
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	$ 199		$ 189
Guarantee assets, measurement input	5.00%		(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	(5.00%)		5.00%
Fair Value, Recurring | IRLC, net
Summary of assets measured on a recurring and nonrecurring basis
IRLC, net	$ 813		$ 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
IRLC, net	0		0
Fair Value, Recurring | IRLC, net | Significant Other Observable Inputs (Level 2)
Summary of assets measured on a recurring and nonrecurring basis
IRLC, net	0		0
Fair Value, Recurring | IRLC, net | Significant Unobservable Inputs (Level 3)
Summary of assets measured on a recurring and nonrecurring basis
IRLC, net	813		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
IRLC, net	$ 813		$ 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	0.56		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	(0.87)		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
IRLC, net			$ 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
IRLC, net	$ 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	0.0470		0.0462
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)	0 years	2 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)	1 year 9 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	(0.0470)		0.0462
Fair Value, Nonrecurring
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	$ 33,569		$ 39,656
Fair Value, Nonrecurring | Consumer and Other
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	3,798		7,500
Fair Value, Nonrecurring | 1-4 Family Residential
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	2,438		2,438
Fair Value, Nonrecurring | Commercial and Industrial1 [Member]
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	23,353		25,738
Fair Value, Nonrecurring | Owner Occupied CRE
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	3,980		3,980
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	0		0
Fair Value, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Consumer and Other
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	0		0
Fair Value, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | 1-4 Family Residential
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	0		0
Fair Value, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial and Industrial1 [Member]
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	0		0
Fair Value, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Owner Occupied CRE
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	0		0
Fair Value, Nonrecurring | Significant Other Observable Inputs (Level 2)
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	0		0
Fair Value, Nonrecurring | Significant Other Observable Inputs (Level 2) | Consumer and Other
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	0		0
Fair Value, Nonrecurring | Significant Other Observable Inputs (Level 2) | 1-4 Family Residential
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	0		0
Fair Value, Nonrecurring | Significant Other Observable Inputs (Level 2) | Commercial and Industrial1 [Member]
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	0		0
Fair Value, Nonrecurring | Significant Other Observable Inputs (Level 2) | Owner Occupied CRE
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	0		0
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3)
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	33,569		39,656
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | Consumer and Other
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	3,798		7,500
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | 1-4 Family Residential
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	2,438		2,438
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | Commercial and Industrial1 [Member]
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	23,353		25,738
Fair Value, Nonrecurring | Significant Unobservable Inputs (Level 3) | Owner Occupied CRE
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	3,980		3,980
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	3,798		$ 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		$ 2,438
Impaired Loans, Measurement Input			(46.00%)
Fair Value, Nonrecurring | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial1 [Member] | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	23,207		$ 24,791
Impaired Loans, Measurement Input			(46.00%)
Fair Value, Nonrecurring | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial, Loan 2 | 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) | Owner Occupied CRE | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	$ 3,980		$ 3,980
Impaired Loans, Measurement Input	50.00%		(46.00%)
Fair Value, Nonrecurring | Measurement Input Loss Given Default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial1 [Member] | 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, Loan 2 | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired loans	$ 146
Fair Value, Nonrecurring | Minimum | Loss given default | Significant Unobservable Inputs (Level 3) | Consumer and Other | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input	50.00%
Fair Value, Nonrecurring | Minimum | 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	7.00%
Fair Value, Nonrecurring | Minimum | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial1 [Member] | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input	7.00%
Fair Value, Nonrecurring | Minimum | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial, Loan 2 | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input	8.00%
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 Industrial1 [Member] | 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) | 1-4 Family Residential | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input	50.00%
Fair Value, Nonrecurring | Maximum | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial1 [Member] | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input	50.00%
Fair Value, Nonrecurring | Maximum | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial, Loan 2 | 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 | Maximum | Measurement Input Loss Given Default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial1 [Member] | 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) | Consumer and Other | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input	(7.00%)
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	6.00%		8.00%
Fair Value, Nonrecurring | Weighted Average | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial1 [Member] | Appraisal value
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input	6.00%		8.00%
Fair Value, Nonrecurring | Weighted Average | Commission and Cost to Sell | Significant Unobservable Inputs (Level 3) | Commercial and Industrial, Loan 2 | 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, Loan 2 | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input	42.00%
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	(7.00%)
Fair Value, Nonrecurring | Weighted Average | Measurement Input Loss Given Default | Significant Unobservable Inputs (Level 3) | Commercial and Industrial1 [Member] | Sales comparison, Market approach - guideline transaction method
Summary of assets measured on a recurring and nonrecurring basis
Impaired Loans, Measurement Input			20.00%