CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest Income
Residential loans	$ 54,974	$ 77,288	$ 134,410	$ 153,238
Business purpose residential loans	53,419	3,996	106,073	6,785
Multifamily loans	4,870	35,917	45,042	57,305
Real estate securities	10,027	25,017	28,336	49,467
Other interest income	6,656	6,324	14,166	12,788
Total interest income	129,946	148,542	328,027	279,583
Interest Expense
Short-term debt	(16,907)	(24,275)	(39,974)	(46,493)
Asset-backed securities issued	(65,304)	(70,113)	(165,802)	(125,408)
Long-term debt	(20,455)	(21,832)	(43,561)	(43,595)
Total interest expense	(102,666)	(116,220)	(249,337)	(215,496)
Net Interest Income	27,280	32,322	78,690	64,087
Non-interest Income (Loss)
Mortgage banking activities, net	(5,772)	19,160	(34,183)	31,469
Investment fair value changes, net	152,228	3,138	(718,604)	23,297
Other income, net	955	4,859	3,392	9,484
Realized gains, net	25,965	2,827	29,817	13,513
Total non-interest income (loss), net	173,376	29,984	(719,578)	77,763
General and administrative expenses	(30,092)	(26,255)	(62,760)	(49,414)
Other expenses	(5,083)	(2,452)	(96,498)	(3,490)
Net Income (Loss) before (Provision for) Benefit from Income Taxes	165,481	33,599	(800,146)	88,946
(Provision for) benefit from income taxes	(37)	(2,333)	22,192	(3,216)
Net Income (Loss)	$ 165,444	$ 31,266	$ (777,954)	$ 85,730
Basic (loss) earnings per common share (in dollars per share)	$ 1.41	$ 0.31	$ (6.82)	$ 0.88
Diluted (loss) earnings per common share (in dollars per share)	$ 1.00	$ 0.30	$ (6.82)	$ 0.78
Basic weighted average shares outstanding (in shares)	114,383,289	96,983,764	114,229,928	94,846,431
Diluted weighted average shares outstanding (in shares)	147,099,079	130,696,954	114,229,928	128,499,431