CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Statement Of Financial Position [Abstract]
Preferred Stock, par value (in dollars per share)	$ 0.01
Preferred Shares Authorized	100,000,000
Common Stock, par value (in dollars per share)	$ 0.01
Common Stock Shares Authorized	500,000,000
Common Shares Issued	176,993,049	76,073,317
Mortgage Backed Securities
Security Owned and Pledged as Collateral Fair Value	$ 6,506,372	$ 3,719,906
US Treasury Notes
Security Owned and Pledged as Collateral Fair Value	$ 29,740	$ 0