Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income from loans and other investments
Interest and related income	$ 223,369	$ 191,479	$ 448,128	$ 346,904
Less: Interest and related expenses	116,891	87,733	235,579	157,722
Income from loans and other investments, net	106,478	103,746	212,549	189,182
Other expenses
Management and incentive fees	20,984	22,388	40,774	37,880
General and administrative expenses	9,897	8,747	19,210	17,454
Total other expenses	30,881	31,135	59,984	55,334
Income before income taxes	75,597	72,611	152,565	133,848
Income tax provision	46	104	147	224
Net income	75,551	72,507	152,418	133,624
Net income attributable to non-controlling interests	(377)	(195)	(680)	(353)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 75,174	$ 72,312	$ 151,738	$ 133,271
Net income per share of common stock basic and diluted	$ 0.59	$ 0.66	$ 1.21	$ 1.23
Weighted-average shares of common stock outstanding, basic and diluted	126,475,244	109,069,078	125,410,064	108,735,193