BUSINESS ACQUISITIONS - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended	12 Months Ended
	Dec. 20, 2021	Aug. 23, 2021	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Business Combination, Bargain Purchase, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration]			Other income (loss), net
Goodwill			$ 85,199	$ 85,199		$ 85,199	$ 29,468
Caliber Home Loans Inc
Business Acquisition [Line Items]
Cash consideration		$ 1,318,000
Bargain purchase gain		$ 3,300	$ 6,000		$ 3,300	6,000
Goodwill (bargain purchase gain)				$ 2,700
Revenue of acquiree						659,800
Net income of acquiree						25,900
Transition, integration, relocation, and training costs incurred						$ 9,600
Finite-lived intangible assets, useful life		6 years 7 months 6 days				7 years
Genesis
Business Acquisition [Line Items]
Cash consideration	$ 1,630,000
Revenue of acquiree						$ 4,200
Net income of acquiree						1,400
Transition, integration, relocation, and training costs incurred						$ 6,700
Finite-lived intangible assets, useful life	8 years 6 months
Equity interest acquired	100.00%
Goodwill	$ 55,700