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

Stockholders' Equity Public Offerings (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended						9 Months Ended
	Oct. 28, 2021	Jul. 14, 2021	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Class of Stock [Line Items]
Number of shares of stock issued during period (in shares)	7,500,000	10,000,000
Price per share of common stock issued during period (in usd per share)	$ 25.872	$ 25.68
Issuance of stock, net of offering costs	$ 193,700	$ 256,500	$ 5,357	$ 82	$ 323	$ 256,611	$ 93	$ 99
Days within which shares may be purchased by underwriters	30 days	30 days
Common Stock [Member]
Class of Stock [Line Items]
Number of shares of stock issued during period (in shares)									272,847	10,012,898
Common Stock [Member] \| Over-Allotment Option [Member]
Class of Stock [Line Items]
Number of shares of stock issued during period (in shares)	1,125,000	1,500,000