Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income from loans and other investments
Interest and related income	$ 486,122	$ 491,384
Less: Interest and related expenses	343,730	317,197
Income from loans and other investments, net	142,392	174,187
Other expenses
Management and incentive fees	18,927	31,050
General and administrative expenses	13,728	12,865
Total other expenses	32,655	43,915
Increase in current expected credit loss reserve	(234,868)	(9,823)
Gain on extinguishment of debt	2,963	0
(Loss) income before income taxes	(122,168)	120,449
Income tax provision	1,002	1,893
Net (loss) income	(123,170)	118,556
Net income attributable to non-controlling interests	(668)	(799)
Net (loss) income attributable to Blackstone Mortgage Trust, Inc.	$ (123,838)	$ 117,757
Net (loss) income per share of common stock
Basic (in dollars per share)	$ (0.71)	$ 0.68
Diluted (in dollars per share)	$ (0.71)	$ 0.67
Weighted-average shares of common stock outstanding, basic and diluted
Basic (in shares)	174,041,630	172,598,349
Diluted (in shares)	174,041,630	180,869,409