LOANS - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024		Jun. 30, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Assets	$ 112,141,892	$ 103,556,384	[1]	$ 93,668,577
Residential Mortgage Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Assets	3,700,000	3,500,000
Loans held-for-sale	$ 200	$ 10,000
Percent of adjustable-rate loans	14.00%	16.00%

[1] (1)Derived from the audited consolidated financial statements at December 31, 2024.