BUSINESS ACQUISITIONS - Schedule of Purchase Price Allocation (Details) - Computershare Mortgage Services Inc - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Dec. 31, 2024	May 01, 2024	Jun. 30, 2024	Dec. 31, 2024
Business Combination [Line Items]
Total Consideration	$ 715,458	$ 708,026	$ 715,458
Assets:
Residential mortgage loans, held-for-sale	2,402	2,402	2,402	$ 2,402
Servicer advances receivable	269,484	275,782	269,484	269,484
Mortgage servicing rights, at fair value	700,207	696,462	700,207	700,207
Cash and cash equivalents	101,993	102,011	101,993	101,993
Restricted cash	2,271	2,237	2,271	2,271
Other assets	83,056	84,028	83,056	83,056
Total Assets Acquired	1,159,413	1,162,922	1,159,413	1,159,413
Liabilities:
Accrued expenses and other liabilities	225,944	236,141	225,944	225,944
Secured notes and bonds payable	190,596	190,596	190,596	190,596
Total Liabilities Assumed	416,540	426,737	416,540	416,540
Net Assets	742,873	736,185	742,873	742,873
Bargain Purchase Gain	$ 27,415		$ 27,415	$ 27,400
Intangible assets acquired		16,000
Customer relationships
Liabilities:
Intangible assets acquired		$ 16,000
Finite-lived intangible assets, useful life		4 years 6 months