CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Interest income:
Residential mortgage investments	$ 69,138	$ 54,841
Other	408	153
Interest income	69,546	54,994
Interest expense:
Secured borrowings	(45,021)	(28,240)
Unsecured borrowings	(1,891)	(1,891)
Interest expense	(46,912)	(30,131)
Net interest income (expense)	22,634	24,863
Other revenue (expense):
Compensation-related expense	(2,048)	(1,115)
Other general and administrative expense	(1,237)	(1,062)
Miscellaneous other revenue	71	15
Operating expenses	(3,214)	(2,162)
Net income	19,420	22,701
Net income available to common stockholders:
Net income	19,420	22,701
Less preferred stock dividends	(4,842)	(3,864)
Net income available to common stockholders	$ 14,578	$ 18,837
Net income per common share:
Basic and diluted	$ 0.16	$ 0.20
Weighted average common shares outstanding:
Basic (in shares)	93,425	95,755
Diluted (in shares)	93,506	95,875
Cash dividends declared per share:
Common (in dollars per share)	$ 0.16	$ 0.21
Series E Preferred [Member]
Cash dividends declared per share:
Series E preferred (in dollars per share)	$ 0.47	$ 0.47