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

Commercial Real Estate Assets by Property Type (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 926,377	$ 744,259	$ 660,953	$ 45,605	$ 45,556	$ 0
Loans and Leases Receivable, Percentage of Total, Commercial	100.00%		100.00%
Retail Site [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 236,457		$ 185,883
Loans and Leases Receivable, Percentage of Total, Commercial	25.50%		28.10%
Hotel [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 82,236		$ 80,843
Loans and Leases Receivable, Percentage of Total, Commercial	8.90%		12.20%
Industrial Property [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 80,971		$ 0
Loans and Leases Receivable, Percentage of Total, Commercial	8.70%		0.00%
Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 182,156		$ 139,011
Loans and Leases Receivable, Percentage of Total, Commercial	19.70%		21.10%
Office Building [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 344,557		$ 255,216
Loans and Leases Receivable, Percentage of Total, Commercial	37.20%		38.60%