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

Serviced Mortgage Assets (Details) $ in Thousands	Sep. 30, 2023 USD ($) loan	Dec. 31, 2022 USD ($) 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	855,421	809,665
Unpaid Principal Balance \| $	$ 219,008,774	$ 205,250,967
Mortgage servicing rights
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	854,816	809,025
Unpaid Principal Balance \| $	$ 218,662,270	$ 204,876,693
Residential mortgage loans
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	599	636
Unpaid Principal Balance \| $	$ 346,224	$ 374,005
Other assets
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	6	4
Unpaid Principal Balance \| $	$ 280	$ 269