GOODWILL AND INTANGIBLE ASSETS - Carrying Value of Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 85,199
Goodwill acquired	0
Accumulated impairment loss	0
Ending balance	85,199
Origination
Goodwill [Roll Forward]
Beginning balance	11,836
Goodwill acquired	0
Accumulated impairment loss	0
Ending balance	11,836
Servicing
Goodwill [Roll Forward]
Beginning balance	12,540
Goodwill acquired	0
Accumulated impairment loss	0
Ending balance	12,540
MSR Related Investments
Goodwill [Roll Forward]
Beginning balance	5,092
Goodwill acquired	0
Accumulated impairment loss	0
Ending balance	5,092
Mortgage Loans Receivable
Goodwill [Roll Forward]
Beginning balance	55,731
Goodwill acquired	0
Accumulated impairment loss	0
Ending balance	$ 55,731