Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income from loans and other investments
Interest and related income	$ 130,471	$ 80,481	$ 253,496	$ 143,889
Less: Interest and related expenses	49,065	30,634	94,446	54,796
Income from loans and other investments, net	81,406	49,847	159,050	89,093
Other expenses
Management and incentive fees	15,847	8,051	29,460	14,721
General and administrative expenses	6,781	15,698	13,576	23,359
Total other expenses	22,628	23,749	43,036	38,080
Gain on investments at fair value	10,524	4,714	10,589	22,190
(Loss) income from equity investments in unconsolidated subsidiaries	(6)	1,710	133	5,659
Income before income taxes	69,296	32,522	126,736	78,862
Income tax (benefit) provision	(154)	105	87	350
Net income	69,450	32,417	126,649	78,512
Net income attributable to non-controlling interests	(6,369)	(3,133)	(6,521)	(13,833)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 63,081	$ 29,284	$ 120,128	$ 64,679
Net income per share of common stock basic and diluted	$ 0.67	$ 0.36	$ 1.28	$ 0.93
Weighted-average shares of common stock outstanding basic and diluted	94,064,423	80,940,535	94,066,096	69,820,061
Dividends declared per share of common stock	$ 0.62	$ 0.52	$ 1.24	$ 1.04