Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income from loans and other investments
Interest and related income	$ 155,425	$ 118,517
Less: Interest and related expenses	69,989	46,674
Income from loans and other investments, net	85,436	71,843
Other expenses
Management and incentive fees	15,492	12,921
General and administrative expenses	8,708	7,428
Total other expenses	24,200	20,349
Income before income taxes	61,236	51,494
Income tax provision	120	89
Net income	61,116	51,405
Net income attributable to non-controlling interests	(158)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 60,958	$ 51,405
Net income per share of common stock basic and diluted	$ 0.56	$ 0.54
Weighted-average shares of common stock outstanding, basic and diluted	108,397,598	94,993,386
Dividends declared per share of common stock	$ 0.62	$ 0.62