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 Receivers (Details)

Derivative Instruments and Hedging Activities Schedule of Interest Rate Swap Receivers (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] \| Short [Member]
Derivative [Line Items]
Notional	$ 25,244,359,000	$ 8,788,761,000
Weighted Average Variable Interest Rate	1.255%	1.933%
Weighted Average Fixed Interest Rate	0.943%	2.262%
Weighted Average Remaining Maturity	3 years 18 days	7 years 7 months 9 days
Interest Rate Swap [Member] \| Derivative Maturity Within One Year From Balance Sheet Date [Member] \| Short [Member]
Derivative [Line Items]
Notional	$ 0	$ 250,000,000
Weighted Average Variable Interest Rate	0.00%	1.953%
Weighted Average Fixed Interest Rate	0.00%	2.258%
Weighted Average Remaining Maturity	0 years	1 hour
Interest Rate Swap [Member] \| Derivative Maturity Over One And Within Two Years From Balance Sheet Date [Member] \| Short [Member]
Derivative [Line Items]
Notional	$ 9,247,416,000	$ 915,000,000
Weighted Average Variable Interest Rate	1.188%	1.894%
Weighted Average Fixed Interest Rate	0.799%	2.516%
Weighted Average Remaining Maturity	29 days	1 year 1 month 6 days
Interest Rate Swap [Member] \| Derivative Maturity Over Two And Within Three Years From Balance Sheet Date [Member] \| Short [Member]
Derivative [Line Items]
Notional	$ 6,139,622,000	$ 0
Weighted Average Variable Interest Rate	1.152%	0.00%
Weighted Average Fixed Interest Rate	0.527%	0.00%
Weighted Average Remaining Maturity	1 year 11 months 23 days	0 years
Interest Rate Swap [Member] \| Derivative Maturity Over Three And Within Four Years From Balance Sheet Date [Member] \| Short [Member]
Derivative [Line Items]
Notional	$ 0	$ 0
Weighted Average Variable Interest Rate	0.00%	0.00%
Weighted Average Fixed Interest Rate	0.00%	0.00%
Weighted Average Remaining Maturity	0 years	0 years
Interest Rate Swap [Member] \| Derivative Maturity Over Four Years From Balance Sheet Date [Member] \| Short [Member]
Derivative [Line Items]
Notional	$ 9,857,321,000	$ 7,623,761,000
Weighted Average Variable Interest Rate	1.319%	1.937%
Weighted Average Fixed Interest Rate	1.418%	2.232%
Weighted Average Remaining Maturity	8 years 4 months 9 days	8 years 7 months 20 days