Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Mortgage-backed securities (including pledged of $5,279,554 and $2,810,957, respectively), at fair value	$ 5,583,758	$ 3,112,705
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred stock, Shares Authorized (in shares)	50,000,000	50,000,000
Preferred Stock, Shares Outstanding (in shares)	4,460,000	4,460,000
Preferred Stock, Shares Issued	4,460,000	4,460,000
Preferred Stock, Liquidation Preference, Value	$ 111,500	$ 111,500
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	180,000,000	180,000,000
Common Stock, Shares, Issued	56,555,574	53,637,095
Common Stock, Shares, Outstanding	56,555,574	53,637,095
Asset Pledged as Collateral without Right
Mortgage-backed securities (including pledged of $5,279,554 and $2,810,957, respectively), at fair value	$ 5,279,554	$ 2,810,957