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

Derivative Instruments and Hedging Activities - TBA Contracts (Details)

Derivative Instruments and Hedging Activities - TBA Contracts (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Derivative Assets
Derivative [Line Items]
Notional	$ 3,207,671,000	$ 2,601,018,000
Net carrying value	71,213,000	87,549,000
Derivative Liabilities
Derivative [Line Items]
Notional	12,538,946,000	11,110,701,000
Net carrying value	(11,254,000)	(4,254,000)
TBAs
Derivative [Line Items]
Notional	3,019,003,000	4,206,715,000
Cost Basis	(2,981,694,000)	(4,185,465,000)
Market Value	(2,976,531,000)	(4,199,576,000)
TBAs \| Derivative Assets
Derivative [Line Items]
Notional	1,925,315,000	5,676,000,000
Net carrying value	6,065,000	18,365,000
TBAs \| Derivative Liabilities
Derivative [Line Items]
Notional	1,093,688,000	1,469,285,000
Net carrying value	(11,228,000)	(4,254,000)
TBAs \| Purchase contracts
Derivative [Line Items]
Notional	4,150,688,000	5,676,000,000
Cost Basis	(4,131,964,000)	(5,689,566,000)
Market Value	(4,126,526,000)	(5,707,931,000)
TBAs \| Purchase contracts \| Derivative Assets
Derivative [Line Items]
Net carrying value	4,580,000	18,365,000
TBAs \| Purchase contracts \| Derivative Liabilities
Derivative [Line Items]
Net carrying value	(10,018,000)	0
TBAs \| Sale contracts
Derivative [Line Items]
Notional	1,131,685,000	1,469,285,000
Cost Basis	(1,150,270,000)	(1,504,101,000)
Market Value	(1,149,995,000)	(1,508,355,000)
TBAs \| Sale contracts \| Derivative Assets
Derivative [Line Items]
Net carrying value	1,485,000	0
TBAs \| Sale contracts \| Derivative Liabilities
Derivative [Line Items]
Net carrying value	$ (1,210,000)	$ (4,254,000)