Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income from loans and other investments
Interest and related income	$ 283,687	$ 196,303	$ 518,119	$ 383,827
Less: Interest and related expenses	136,619	82,352	237,333	160,723
Income from loans and other investments, net	147,068	113,951	280,786	223,104
Other expenses
Management and incentive fees	27,065	21,545	50,551	40,752
General and administrative expenses	12,409	10,669	24,769	21,267
Total other expenses	39,474	32,214	75,320	62,019
(Increase) decrease in current expected credit loss reserve	(12,983)	50,906	(10,446)	52,199
Income before income taxes	94,611	132,643	195,020	213,284
Income tax provision	746	175	892	276
Net income	93,865	132,468	194,128	213,008
Net income attributable to non-controlling interests	(615)	(873)	(1,191)	(1,511)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 93,250	$ 131,595	$ 192,937	$ 211,497
Net income per share of common stock
Net income per share of common stock basic (in dollars per share)	$ 0.55	$ 0.89	$ 1.14	$ 1.44
Net income per share of common stock diluted (in dollars per share)	$ 0.54	$ 0.89	$ 1.12	$ 1.44
Weighted-average shares of common stock outstanding
Weighted-average shares of common stock outstanding, basic (in shares)	170,665,601	147,342,822	169,963,730	147,339,895
Weighted-average shares of common stock outstanding, diluted (in shares)	185,009,805	147,342,822	180,332,341	147,339,895