SEGMENT REPORTING - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Intangible Assets, Net
Balance as of January 1, 2021	$ 55,960	$ 73,849
Write-off	(17,889)
Balance as of December 31, 2021 and 2022	55,960	55,960
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Owners.com
Intangible Assets, Net
Write-off		(17,900)
Corporate and Others
Intangible Assets, Net
Balance as of January 1, 2021	0	17,889
Write-off	(17,889)
Balance as of December 31, 2021 and 2022	0	0
Servicer and Real Estate | Operating Segment
Intangible Assets, Net
Balance as of January 1, 2021	30,681	30,681
Write-off	0
Balance as of December 31, 2021 and 2022	30,681	30,681
Origination | Operating Segment
Intangible Assets, Net
Balance as of January 1, 2021	25,279	25,279
Write-off	0
Balance as of December 31, 2021 and 2022	$ 25,279	$ 25,279