Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Commercial loans, at fair value	$ 65,692	$ 66,864
Secured debt, held by affiliates	2,039,353	2,058,684
Interest payable	$ 12,139	$ 12,794
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares outstanding (in shares)	6,038,012	6,038,012
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares outstanding (in shares)	0	0
Treasury stock, shares held (in shares)	57,981	57,981,000
VIE
Fair value of collateral, residential home loans	$ 1,073,257	$ 1,089,914
Secured debt, held by affiliates	2,039,353	2,058,684
Interest payable	8,227	8,303
Affiliated Entity
Securitized debt, at fair value	1,713,455	1,719,865
Secured debt, held by affiliates	126,313	128,217
Interest payable	652	655
Subtotal Agency MBS
Fair value of mortgage-backed securities and other securities pledged as collateral	271	249
Non-Agency MBS
Fair value of mortgage-backed securities and other securities pledged as collateral	78,093	100,115
Other securities
Fair value of mortgage-backed securities and other securities pledged as collateral	$ 23,623	$ 27,262