DERIVATIVE INSTRUMENTS - Significant Inputs and Assumptions (Details)	Dec. 31, 2024	Dec. 31, 2023
MacTools commercial portfolio \| Weighted average interest rate
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input	0.0950	0.1050
MacTools commercial portfolio \| Implied/selected cohort default rate (CDR)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input	0.1500	0.1500
MacTools commercial portfolio \| Selected LGD
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input	0.8500	0.8500
MacTools commercial portfolio \| Annual expected loss
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input	0.1275	0.1275
MacTools commercial portfolio \| Credit mark
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input	(0.2066)	(0.2332)
MacTools commercial portfolio \| Interest mark
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input	0.1004	0.1301
MacTools commercial portfolio \| Fair value of derivative
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input	0.1061	0.1031
Greensky consumer portfolio \| Weighted average interest rate
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.1047
Greensky consumer portfolio \| Implied/selected cohort default rate (CDR)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.0402
Greensky consumer portfolio \| Selected LGD
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.8500
Greensky consumer portfolio \| Annual expected loss
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.0342
Greensky consumer portfolio \| Credit mark
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		(0.0718)
Greensky consumer portfolio \| Interest mark
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.0329
Greensky consumer portfolio \| Fair value of derivative
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.0156
LendingPoint consumer portfolio \| Weighted average interest rate
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.1462
LendingPoint consumer portfolio \| Implied/selected cohort default rate (CDR)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.1750
LendingPoint consumer portfolio \| Selected LGD
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.8500
LendingPoint consumer portfolio \| Annual expected loss
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.1488
LendingPoint consumer portfolio \| Credit mark
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		(0.2382)
LendingPoint consumer portfolio \| Interest mark
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		0.1323
LendingPoint consumer portfolio \| Fair value of derivative
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Measurement input		(0.0034)