Two Harbors Investment Corp. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities Schedule of Interest Rate Swap Payers (Details)

Derivative Instruments and Hedging Activities Schedule of Interest Rate Swap Payers (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Notional	$ 60,549,307,000	$ 48,445,497,000	$ 58,777,783,000	$ 36,528,169,000
Interest Rate Swap [Member] \| Long [Member]
Derivative [Line Items]
Notional	$ 30,913,709,000	$ 30,913,709,000
Weighted Average Variable Interest Rate	1.58%	1.921%
Weighted Average Remaining Maturity	2 years 10 months 20 days	3 years 1 month 20 days
Weighted Average Fixed Interest Rate	1.878%	1.878%
Interest Rate Swap [Member] \| Derivative Maturity Within One Year From Balance Sheet Date [Member] \| Long [Member]
Derivative [Line Items]
Notional	$ 3,640,000,000	$ 3,640,000,000
Weighted Average Variable Interest Rate	1.352%	1.937%
Weighted Average Remaining Maturity	17 days	25 days
Weighted Average Fixed Interest Rate	1.806%	1.806%
Interest Rate Swap [Member] \| Derivative Maturity Over One And Within Two Years From Balance Sheet Date [Member] \| Long [Member]
Derivative [Line Items]
Notional	$ 15,740,977,000	$ 15,740,977,000
Weighted Average Variable Interest Rate	1.685%	1.91%
Weighted Average Remaining Maturity	1 year 2 months 19 days	1 year 5 months 19 days
Weighted Average Fixed Interest Rate	1.681%	1.681%
Interest Rate Swap [Member] \| Derivative Maturity Over Two And Within Three Years From Balance Sheet Date [Member] \| Long [Member]
Derivative [Line Items]
Notional	$ 2,578,640,000	$ 2,578,640,000
Weighted Average Variable Interest Rate	1.176%	1.901%
Weighted Average Remaining Maturity	2 years 5 months 26 days	2 years 8 months 26 days
Weighted Average Fixed Interest Rate	1.911%	1.911%
Interest Rate Swap [Member] \| Derivative Maturity Over Three And Within Four Years From Balance Sheet Date [Member] \| Long [Member]
Derivative [Line Items]
Notional	$ 215,000,000	$ 215,000,000
Weighted Average Variable Interest Rate	1.683%	1.91%
Weighted Average Remaining Maturity	3 years 7 months 24 days	3 years 10 months 24 days
Weighted Average Fixed Interest Rate	3.057%	3.057%
Interest Rate Swap [Member] \| Derivative Maturity Over Four Years From Balance Sheet Date [Member] \| Long [Member]
Derivative [Line Items]
Notional	$ 8,739,092,000	$ 8,739,092,000
Weighted Average Variable Interest Rate	1.555%	1.935%
Weighted Average Remaining Maturity	6 years 11 months 12 days	7 years 2 months 12 days
Weighted Average Fixed Interest Rate	2.224%	2.224%