LOANS - Aging Status (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	$ 397,625	$ 336,305
Non- accrual	1,171	102
Total Loans Accounted for Under the Fair Value Option	442,928	469,801
Total	824,427	793,532
Deferred fees and costs	314	393
Allowance for credit losses	(16,126)	(12,574)	$ (2,189)	$ 0
Loans held for investment, at amortized cost, net	381,499	323,731
SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	214,038	163,918
Non- accrual	1,171	102
Total	214,038	163,918
Allowance for credit losses	(14,551)	(10,852)
CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	169,869	163,803
Non- accrual	0	0
Total	169,869	163,803
Allowance for credit losses	(1,278)	(1,408)	(1,960)	0
C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	13,404	8,191
Total	13,404	8,191
Allowance for credit losses	(297)	(314)	$ (223)	$ 0
Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	397,311	335,912
Total	397,311	335,912
Performing | 30-59 Days Past Due and Accruing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	71,458	24,965
Total Loans Accounted for Under the Fair Value Option	61,314	20,380
Performing | 30-59 Days Past Due and Accruing | SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	9,818	3,637
Performing | 30-59 Days Past Due and Accruing | CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	326	948
Performing | 30-59 Days Past Due and Accruing | C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	0	0
Performing | 30-59 Days Past Due and Accruing | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	10,144	4,585
Performing | 60-89 Days Past Due and Accruing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	1,494	16,386
Total Loans Accounted for Under the Fair Value Option	548	16,075
Performing | 60-89 Days Past Due and Accruing | SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	0	311
Performing | 60-89 Days Past Due and Accruing | CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	946	0
Performing | 60-89 Days Past Due and Accruing | C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	0	0
Performing | 60-89 Days Past Due and Accruing | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	946	311
Performing | 90 or more Days Past Due and Accruing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	3,829	0
Total Loans Accounted for Under the Fair Value Option	3,829	0
Performing | 90 or more Days Past Due and Accruing | SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	0	0
Performing | 90 or more Days Past Due and Accruing | CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	0	0
Performing | 90 or more Days Past Due and Accruing | C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	0	0
Performing | 90 or more Days Past Due and Accruing | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	0	0
Performing | Total past Due and Non-accrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	130,797	94,898
Total Loans Accounted for Under the Fair Value Option	111,692	84,629
Performing | Total past Due and Non-accrual | SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	11,835	4,700
Performing | Total past Due and Non-accrual | CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	7,270	5,569
Performing | Total past Due and Non-accrual | C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	0	0
Performing | Total past Due and Non-accrual | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	19,105	10,269
Performing | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	709,442	710,815
Total Loans Accounted for Under the Fair Value Option	331,236	385,172
Performing | Current | SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	202,203	159,218
Performing | Current | CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	162,599	158,234
Performing | Current | C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	13,404	8,191
Performing | Current | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carried at Amortized Cost	378,206	325,643
Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non- accrual	54,016	53,547
Total Loans Accounted for Under the Fair Value Option	46,001	48,174
Nonperforming | SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non- accrual	2,017	752
Nonperforming | CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non- accrual	5,998	4,621
Nonperforming | C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non- accrual	0	0
Nonperforming | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non- accrual	$ 8,015	$ 5,373