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ACQUISITIONS - FAIR VALUE OF ASSETS ACQUIRED (Details) - E*TRADE Advisor Services
$ in Thousands
Aug. 02, 2021
USD ($)
Business Acquisition [Line Items]  
Fair Value $ 27,060
Trade name  
Business Acquisition [Line Items]  
Fair Value $ 290
Weighted-average useful lives (years) 1 month 28 days
Proprietary Technology  
Business Acquisition [Line Items]  
Fair Value $ 10,990
Weighted-average useful lives (years) 7 years
Customer Relationships  
Business Acquisition [Line Items]  
Fair Value $ 15,650
Weighted-average useful lives (years) 14 years
Non-Compete Agreements  
Business Acquisition [Line Items]  
Fair Value $ 130
Weighted-average useful lives (years) 1 year