TWO Quarterly report [Sections 13 or 15(d)]

Financing - Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets (Details)

Financing - Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Assets Sold under Agreements to Repurchase [Line Items]
Assets pledged as collateral for repurchase agreements	$ 7,903,780	$ 7,850,175
Repurchase agreements	7,245,287	7,255,540
Available-For-Sale Securities
Assets Sold under Agreements to Repurchase [Line Items]
Assets pledged as collateral for repurchase agreements	6,498,786	6,505,374
Mortgage servicing rights, at fair value
Assets Sold under Agreements to Repurchase [Line Items]
Assets pledged as collateral for repurchase agreements	941,598	958,947
Repurchase agreements	575,000	650,000
Mortgage servicing rights, at fair value \| Variable Funding Note
Assets Sold under Agreements to Repurchase [Line Items]
Repurchase agreements	575,000	650,000
Mortgage loans held-for-sale, at fair value
Assets Sold under Agreements to Repurchase [Line Items]
Assets pledged as collateral for repurchase agreements	5,358	3,746
Repurchase agreements	5,233	4,094
Restricted cash
Assets Sold under Agreements to Repurchase [Line Items]
Assets pledged as collateral for repurchase agreements	140,493	108,367
Due from counterparties
Assets Sold under Agreements to Repurchase [Line Items]
Assets pledged as collateral for repurchase agreements	255,451	206,514
Derivative assets, at fair value
Assets Sold under Agreements to Repurchase [Line Items]
Assets pledged as collateral for repurchase agreements	$ 62,094	$ 67,227