Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income from loans and other investments
Interest and related income	$ 521,892	$ 283,687	$ 1,013,276	$ 518,119
Less: Interest and related expenses	344,549	136,619	661,746	237,333
Income from loans and other investments, net	177,343	147,068	351,530	280,786
Other expenses
Management and incentive fees	32,815	27,065	63,865	50,551
General and administrative expenses	13,022	12,409	25,887	24,769
Total other expenses	45,837	39,474	89,752	75,320
Increase in current expected credit loss reserve	(27,807)	(12,983)	(37,630)	(10,446)
Income before income taxes	103,699	94,611	224,148	195,020
Income tax provision	1,202	746	3,095	892
Net income	102,497	93,865	221,053	194,128
Net income attributable to non-controlling interests	(846)	(615)	(1,645)	(1,191)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 101,651	$ 93,250	$ 219,408	$ 192,937
Net income per share of common stock
Basic (in dollars per share)	$ 0.59	$ 0.55	$ 1.27	$ 1.14
Diluted (in dollars per share)	$ 0.58	$ 0.54	$ 1.25	$ 1.12
Weighted-average shares of common stock outstanding
Basic (in shares)	172,615,385	170,665,601	172,606,914	169,963,730
Diluted (in shares)	180,886,445	185,009,805	180,877,974	180,332,341