CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Interest Income:
Residential whole loans held at carrying value	$ 100,921	$ 36,187	$ 23,916
MSR-related assets	28,420	24,830	2,100
Cash and cash equivalent investments	2,936	4,249	774
Other interest-earning assets	923	0	0
Interest Income	455,675	433,448	457,450
Interest Expense:
Repurchase agreements	205,338	186,347	184,986
Other interest expense	26,848	10,794	8,369
Interest Expense	232,186	197,141	193,355
Net Interest Income	223,489	236,307	264,095
Other Income, net:
Net gain on residential whole loans measured at fair value through earnings	137,619	90,045	62,605
Net realized gain on sales of residential mortgage securities	61,307	39,577	35,837
Net unrealized (loss)/gain on residential mortgage securities measured at fair value through earnings	(36,815)	27,709	12,962
Net loss on Swaps not designated as hedges for accounting purposes	(9,610)	0	0
Other, net	5,474	656	(2,847)
Other Income, net	157,975	157,987	108,557
Operating and Other Expense:
Compensation and benefits	28,423	31,673	29,281
Other general and administrative expense	17,653	17,960	16,331
Loan servicing and other related operating expenses	33,587	22,268	14,372
Operating and Other Expense	79,663	71,901	59,984
Net Income	301,801	322,393	312,668
Less Preferred Stock Dividends	15,000	15,000	15,000
Net Income Available to Common Stock and Participating Securities	$ 286,801	$ 307,393	$ 297,668
Earnings per Common Share - Basic and Diluted (usd per share)	$ 0.68	$ 0.79	$ 0.80
Agency MBS
Interest Income:
Mortgage backed securities	$ 62,303	$ 65,355	$ 83,069
Non-Agency MBS | Non-Agency MBS
Interest Income:
Mortgage backed securities	226,796	271,112	332,821
CRT securities
Interest Income:
Mortgage backed securities	$ 33,376	$ 31,715	$ 14,770