CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net (loss) income	$ (65,492)	$ 10,194
Adjustments to reconcile net (loss) income to net cash provided by operating activities
Investment loss, net	54,912	4,364
Net premium amortization on mortgage-backed securities	24,580	24,767
Deferred tax provision	34,372	25,376
Other	1,476	2,314
Changes in operating assets
Interest receivable	(2,272)	(782)
Other assets	(153)	412
Changes in operating liabilities
Interest payable and other liabilities	84	(506)
Accrued compensation and benefits	(1,350)	(1,196)
Net cash provided by operating activities	46,157	64,943
Cash flows from investing activities:
Proceeds from sales of agency mortgage-backed securities	1,815,796	1,629,698
Receipt of principal payments on agency mortgage-backed securities	367,356	357,643
Proceeds from (payments for) derivatives and deposits, net	76,232	(9,809)
Other	29	1,411
Net cash used in investing activities	(440,444)	(161,661)
Cash flows from financing activities:
Proceeds from repurchase agreements, net	425,070	45,736
Proceeds from issuance of common stock	21,065	59,913
Proceeds from issuance of preferred stock	1,030	6,904
Dividends paid	(42,293)	(44,261)
Net cash provided by financing activities	404,872	68,292
Net increase (decrease) in cash and cash equivalents	10,585	(28,426)
Cash and cash equivalents, beginning of period	21,614	54,794
Cash and cash equivalents, end of period	32,199	26,368
Supplemental cash flow information:
Cash payments for interest	58,284	37,015
Agency MBS
Cash flows from investing activities:
Purchases of mortgage-backed securities	$ (2,699,857)	$ (2,140,604)