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REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Gross loans	$ 4,986,922	$ 4,546,960
Commercial loans
Disaggregation of Revenue [Line Items]
Gross loans	$ 1,144,872	1,119,245
Payments Segment
Disaggregation of Revenue [Line Items]
Deferred sales commissions amortization period	2 years
Deferred set-up costs amortization period	4 years
Deferred sales commissions	$ 244	319
Deferred set-up costs	1,762	1,354
Payments Segment | Broker | Commercial loans
Disaggregation of Revenue [Line Items]
Gross loans	$ 0	$ 0

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