Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income from loans and other investments
Interest and related income	$ 213,873	$ 203,107	$ 662,001	$ 550,011
Less: Interest and related expenses	111,957	97,955	347,536	255,677
Income from loans and other investments, net	101,916	105,152	314,465	294,334
Other expenses
Management and incentive fees	17,502	18,368	58,276	56,248
General and administrative expenses	9,741	8,443	28,951	25,897
Total other expenses	27,243	26,811	87,227	82,145
Income before income taxes	74,673	78,341	227,238	212,189
Income tax (benefit) provision	(721)	48	(573)	272
Net income	75,394	78,293	227,811	211,917
Net income attributable to non-controlling interests	(497)	(128)	(1,176)	(481)
Net income attributable to Blackstone Mortgage Trust, Inc.	$ 74,897	$ 78,165	$ 226,635	$ 211,436
Net income per share of common stock basic and diluted	$ 0.56	$ 0.67	$ 1.76	$ 1.90
Weighted-average shares of common stock outstanding, basic and diluted	134,536,683	116,203,140	128,485,701	111,251,864