CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Interest income:
Residential mortgage investments	$ 54,841	$ 59,500
Other	153	192
Interest income	54,994	59,692
Interest expense:
Secured borrowings	(28,240)	(26,582)
Unsecured borrowings	(1,891)	(1,977)
Interest expense	(30,131)	(28,559)
Net interest income (expense)	24,863	31,133
Other revenue (expense):
Compensation-related expense	(1,115)	(3,224)
Other general and administrative expense	(1,062)	(1,169)
Miscellaneous other revenue	15	613
Operating expenses	(2,162)	(3,780)
Net income	22,701	27,353
Net income available to common stockholders:
Net income	22,701	27,353
Less preferred stock dividends	(3,864)	(3,826)
Net income available to common stockholders	$ 18,837	$ 23,527
Net income per common share:
Basic and diluted net income per common share	$ 0.20	$ 0.25
Weighted average common shares outstanding:
Basic (in shares)	95,755	95,614
Diluted (in shares)	95,875	95,745
Cash dividends declared per share:
Common (in dollars per share)	$ 0.21	$ 0.26
Series E Preferred [Member]
Cash dividends declared per share:
Series E preferred (in dollars per share)	$ 0.47	$ 0.47