Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income from loans and other investments
Interest and related income	$ 80,481	$ 42,466	$ 143,889	$ 76,122
Less: Interest and related expenses	30,634	15,720	54,796	27,794
Income from loans and other investments, net	49,847	26,746	89,093	48,328
Other expenses
Management and incentive fees	8,051	4,410	14,721	7,807
General and administrative expenses	15,698	15,356	23,359	18,554
Total other expenses	23,749	19,766	38,080	26,361
Unrealized gain on investments at fair value	4,714	7,163	22,190	5,824
Income from equity investments in unconsolidated subsidiaries	1,710	24,294	5,659	24,294
Income before income taxes	32,522	38,437	78,862	52,085
Income tax provision (benefit)	105	(2)	350	530
Net income	32,417	38,439	78,512	51,555
Net income attributable to non-controlling interests	(3,133)	(4,973)	(13,833)	(5,024)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 29,284	$ 33,466	$ 64,679	$ 46,531
Net income per share of common stock basic and diluted	$ 0.36	$ 0.70	$ 0.93	$ 1.08
Weighted-average shares of common stock outstanding, basic and diluted	80,940,535	47,977,813	69,820,061	43,000,242
Dividends declared per share of common stock	$ 0.52	$ 0.48	$ 1.04	$ 0.96