Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income from loans and other investments
Interest and related income	$ 430,092	$ 519,342	$ 1,382,367	$ 1,532,618
Less: Interest and related expenses	321,744	353,972	1,004,854	1,015,718
Income from loans and other investments, net	108,348	165,370	377,513	516,900
Revenue from real estate owned	1,214	0	1,214	0
Gain on extinguishment of debt	2,389	4,541	5,352	4,541
Total net revenues	111,951	169,911	384,079	521,441
Other expenses
Management and incentive fees	18,605	28,882	56,258	92,747
General and administrative expenses	13,423	12,001	40,811	37,888
Expenses from real estate owned	2,684	0	3,647	0
Total other expenses	34,712	40,883	100,716	130,635
Increase in current expected credit loss reserve	(132,470)	(96,900)	(519,747)	(134,530)
(Loss) income before income taxes	(55,231)	32,128	(236,384)	256,276
Income tax provision	613	1,568	2,832	4,663
Net (loss) income	(55,844)	30,560	(239,216)	251,613
Net income attributable to non-controlling interests	(540)	(1,036)	(2,063)	(2,681)
Net (loss) income attributable to Blackstone Mortgage Trust, Inc.	$ (56,384)	$ 29,524	$ (241,279)	$ 248,932
Net (loss) income per share of common stock
Basic (in dollars per share)	$ (0.32)	$ 0.17	$ (1.39)	$ 1.44
Diluted (in dollars per share)	$ (0.32)	$ 0.17	$ (1.39)	$ 1.44
Weighted-average shares of common stock outstanding
Basic (in shares)	173,637,101	172,648,118	173,881,116	172,620,799
Diluted (in shares)	173,637,101	172,648,118	173,881,116	180,891,859