Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Mortgage-backed securities (including pledged of $5,570,076 and $5,880,747, respectively), at fair value	$ 5,840,559	$ 6,038,948
Preferred Stock, Par or Stated Value Per Share	$ 0.01
Preferred stock, Shares Authorized (in shares)	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
Common Stock, Shares Authorized	180,000,000
Common Stock, Shares, Issued	64,160,931	57,038,247
Common Stock, Shares, Outstanding	64,160,931	57,038,247
Asset Pledged as Collateral without Right
Mortgage-backed securities (including pledged of $5,570,076 and $5,880,747, respectively), at fair value	$ 5,570,076	$ 5,880,747