PORTFOLIO LOANS - Schedule of Loan Modifications for Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Interest Rate Reduction
Loans identified as impaired
Amortized cost basis	$ 263		$ 263
% of total class of financing receivable	0.00%		0.00%
Interest Rate Reduction \| Commercial loans \| C&I and other commercial
Loans identified as impaired
Amortized cost basis	$ 263		$ 263
% of total class of financing receivable	0.00%		0.00%
Interest Rate Reduction \| Commercial loans \| CRE
Loans identified as impaired
Amortized cost basis	$ 0		$ 0
% of total class of financing receivable	0.00%		0.00%
Interest Rate Reduction \| Commercial loans \| Real estate construction
Loans identified as impaired
Amortized cost basis			$ 0
% of total class of financing receivable			0.00%
Payment Deferral
Loans identified as impaired
Amortized cost basis	$ 4,388	$ 325	$ 14,949	$ 325
% of total class of financing receivable	0.00%	0.00%	0.10%	0.00%
Payment Deferral \| Commercial loans \| C&I and other commercial
Loans identified as impaired
Amortized cost basis	$ 2,444	$ 325	$ 13,005	$ 325
% of total class of financing receivable	0.10%	0.00%	0.30%	0.00%
Payment Deferral \| Commercial loans \| CRE
Loans identified as impaired
Amortized cost basis	$ 1,944	$ 0	$ 1,944	$ 0
% of total class of financing receivable	0.00%	0.00%	0.00%	0.00%
Payment Deferral \| Commercial loans \| Real estate construction
Loans identified as impaired
Amortized cost basis		$ 0	$ 0	$ 0
% of total class of financing receivable		0.00%	0.00%	0.00%
Term Extension
Loans identified as impaired
Amortized cost basis	$ 10,878	$ 38,235	$ 28,302	$ 53,105
% of total class of financing receivable	0.10%	0.50%	0.20%	0.70%
Term Extension \| Commercial loans \| C&I and other commercial
Loans identified as impaired
Amortized cost basis	$ 10,417	$ 14,537	$ 22,314	$ 28,073
% of total class of financing receivable	0.20%	0.80%	0.50%	1.50%
Term Extension \| Commercial loans \| CRE
Loans identified as impaired
Amortized cost basis	$ 461	$ 18,448	$ 823	$ 19,782
% of total class of financing receivable	0.00%	0.50%	0.00%	0.60%
Term Extension \| Commercial loans \| Real estate construction
Loans identified as impaired
Amortized cost basis		$ 5,250	$ 5,165	$ 5,250
% of total class of financing receivable		1.30%	0.50%	1.30%

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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