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

Serviced Mortgage Assets (Details) $ in Thousands	Mar. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($) loan
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of Loans \| loan	811,016	796,698
Unpaid Principal Balance \| $	$ 181,625,689	$ 177,928,604
Mortgage Servicing Rights [Member]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of Loans \| loan	807,975	793,470
Unpaid Principal Balance \| $	$ 179,714,087	$ 175,882,142
Residential Mortgage [Member]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of Loans \| loan	3,040	3,157
Unpaid Principal Balance \| $	$ 1,911,591	$ 2,033,951
Other Assets [Member]
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of Loans \| loan	1	71
Unpaid Principal Balance \| $	$ 11	$ 12,511