Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income from loans and other investments
Interest and related income	$ 146,446	$ 128,190	$ 391,787	$ 381,686
Less: Interest and related expenses	67,891	45,373	168,917	139,819
Income from loans and other investments, net	78,555	82,817	222,870	241,867
Other expenses
Management and incentive fees	13,243	13,701	40,557	43,161
General and administrative expenses	7,419	7,414	22,219	20,990
Total other expenses	20,662	21,115	62,776	64,151
Gain on investments at fair value		2,824		13,413
Income from equity investment in unconsolidated subsidiary		2,060		2,192
Income before income taxes	57,893	66,586	160,094	193,321
Income tax provision	83	194	265	281
Net income	57,810	66,392	159,829	193,040
Net income attributable to non-controlling interests	(88)	(1,598)	(88)	(8,119)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 57,722	$ 64,794	$ 159,741	$ 184,921
Net income per share of common stock basic and diluted	$ 0.61	$ 0.69	$ 1.68	$ 1.97
Weighted-average shares of common stock outstanding, basic and diluted	95,013,087	94,071,537	95,004,188	94,067,923
Dividends declared per share of common stock	$ 0.62	$ 0.62	$ 1.86	$ 1.86