Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash	$ 337,664	$ 167,671
Cash collateral posted to counterparties	18,552	3,997
Investments in securities, at fair value:
Derivatives, at fair value	199,073	54,686
Accrued interest receivable	10,570	12,833
Prepaid and other	1,094	1,977
Subordinated loan to BUCKLER	105,000	105,000
Total Assets	5,277,307	5,524,486
Liabilities:
Repurchase agreements	3,948,037	4,536,065
Cash collateral posted by counterparties	171,060	44,704
Derivatives, at fair value	10,900	1,217
Accrued interest payable- repurchase agreements	944	1,625
Accounts payable and other accrued expenses	2,727	2,571
Total Liabilities	4,133,668	4,586,182
Commitments and contingencies (Note 9)
Preferred stock, $0.001 par value, 50,000 shares authorized;
Common stock, $0.001 par value. At December 31, 2021, 200,000 shares authorized and 94,152 shares issued and outstanding and at December 31, 2020, 125,000 shares authorized and 65,290 shares issued and outstanding.	94	65
Additional paid-in capital	3,403,127	3,033,025
Accumulated deficit	(2,366,562)	(2,273,822)
Accumulated other comprehensive income	106,973	179,031
Total Stockholders’ Equity	1,143,639	938,304
Total Liabilities and Stockholders’ Equity	5,277,307	5,524,486
Agency Securities
Investments in securities, at fair value:
Debt securities	4,406,521	5,178,322
US Treasury Securities
Investments in securities, at fair value:
Debt securities	198,833	0
Series C Preferred Stock
Preferred stock, $0.001 par value, 50,000 shares authorized;
7.00% Series C Cumulative Preferred Stock; 6,847 and 5,347 shares issued and outstanding ($171,175 and $133,675 aggregate liquidation preference) at December 31, 2021 and December 31, 2020, respectively.	$ 7	$ 5