Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income from loans and other investments
Interest and related income	$ 200,114	$ 193,939	$ 583,941	$ 590,797
Less: Interest and related expenses	82,690	78,978	243,413	268,070
Income from loans and other investments, net	117,424	114,961	340,528	322,727
Other expenses
Management and incentive fees	19,342	18,985	60,094	58,758
General and administrative expenses	10,841	11,242	32,108	34,320
Total other expenses	30,183	30,227	92,202	93,078
(Increase) decrease in current expected credit loss reserve	(2,767)	6,055	49,432	(173,466)
Income before income taxes	84,474	90,789	297,758	56,183
Income tax provision	70	20	346	192
Net income	84,404	90,769	297,412	55,991
Net income attributable to non-controlling interests	(647)	(909)	(2,158)	(1,937)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 83,757	$ 89,860	$ 295,254	$ 54,054
Net income per share of common stock basic and diluted	$ 0.56	$ 0.61	$ 2.00	$ 0.39
Weighted-average shares of common stock outstanding, basic and diluted	149,214,819	146,484,651	147,971,737	140,157,620