ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Schedule of Amortized Cost Basis at the End of the Reporting Period of Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Modifications	$ 1,994	$ 1,994
Total Class of Financing Receivable	0.04%	0.04%
Combination Principal Forgiveness and Interest Rate Reduction
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Modifications	$ 1,994	$ 1,994
Total consumer loans | Total consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Modifications	$ 1,994	$ 1,994
Total Class of Financing Receivable	0.31%	0.31%
Total consumer loans | Total consumer loans | Combination Principal Forgiveness and Interest Rate Reduction
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Modifications	$ 1,994	$ 1,994
Total consumer loans | Consumer 1-4 family mortgage loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Modifications	$ 1,994	$ 1,994
Total Class of Financing Receivable	0.37%	0.37%
Total consumer loans | Consumer 1-4 family mortgage loans: | Combination Principal Forgiveness and Interest Rate Reduction
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Modifications	$ 1,994	$ 1,994
Total consumer loans | Consumer 1-4 family mortgage loans: | Open end and junior lien loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Modifications	$ 1,994	$ 1,994
Total Class of Financing Receivable	0.82%	0.82%
Total consumer loans | Consumer 1-4 family mortgage loans: | Open end and junior lien loans | Combination Principal Forgiveness and Interest Rate Reduction
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Modifications	$ 1,994	$ 1,994