Consolidated Statements of Operations - USD ($) shares in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest Income:
Agency Securities, net of amortization of premium and fees		$ 80,134,000	$ 151,206,000	$ 382,811,000
Total Interest Income		80,791,000	169,754,000	439,565,000
Interest expense- repurchase agreements		(7,023,000)	(62,939,000)	(288,229,000)
Interest expense- U.S. Treasury Securities sold short		(87,000)	(32,000)	0
Net Interest Income		73,681,000	106,783,000	151,336,000
Other Loss:
Realized gain on sale of available for sale Agency Securities (reclassified from Other comprehensive income (loss))		10,952,000	143,877,000	9,611,000
Credit loss expense		0	(1,012,000)	0
Gain (loss) on Agency Securities, trading		(77,145,000)	19,557,000	0
Loss on short sale of U.S. Treasury Securities		(28,000)	(414,000)	0
Subtotal		(75,584,000)	(5,776,000)	(12,638,000)
Realized loss on derivatives	[1]	(98,143,000)	(378,208,000)	(213,996,000)
Unrealized gain (loss) on derivatives		150,324,000	94,055,000	(136,127,000)
Subtotal		52,181,000	(284,153,000)	(350,123,000)
Total Other Loss		(23,403,000)	(289,929,000)	(362,761,000)
Expenses:
Management fees		31,108,000	29,628,000	29,571,000
Professional fees		2,666,000	3,770,000	2,808,000
Insurance		787,000	742,000	713,000
Compensation		6,614,000	5,597,000	3,889,000
Other		2,340,000	1,084,000	1,499,000
Total Expenses		43,515,000	40,821,000	38,480,000
Less management fees waived		(8,600,000)	(8,855,000)	0
Total Expenses after fees waived		34,915,000	31,966,000	38,480,000
Net Income (Loss)		15,363,000	(215,112,000)	(249,905,000)
Dividends on preferred stock		(11,473,000)	(9,787,000)	(15,634,000)
Net Income (Loss) available (related) to common stockholders		$ 3,890,000	$ (224,899,000)	$ (265,539,000)
Net Income (Loss) per share available (related) to common stockholders (Note 12):
Basic (in dollars per share)		$ 0.05	$ (3.57)	$ (4.59)
Diluted (in dollars per share)		0.05	(3.57)	(4.59)
Dividends declared per common share (in dollars per share)		$ 1.20	$ 1.20	$ 2.16
Weighted average common shares outstanding:
Basic (in shares)		79,490	63,070	57,833
Diluted (in shares)		80,313	63,070	57,833
Credit Risk and Non-Agency Securities
Interest Income:
Debt securities, trading		$ 0	$ 17,746,000	$ 52,919,000
Other Loss:
Debt securities, trading		0	(189,555,000)	(24,396,000)
Interest Only Securities
Interest Income:
Debt securities, trading		0	0	596,000
Other Loss:
Debt securities, trading		0	0	123,000
US Treasury Securities
Interest Income:
Debt securities, trading		587,000	469,000	1,353,000
Other Loss:
Debt securities, trading		(9,363,000)	21,771,000	2,024,000
Corporate Debt Securities
Interest Income:
Debt securities, trading		$ 70,000	$ 333,000	$ 1,886,000

[1] Interest expense related to our interest rate swap contracts is recorded as realized loss on derivatives on the consolidated statements of operations. For additional information, see Note 8 to the consolidated financial statements.