Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 86,987	$ 69,654
Restricted cash		32,864
Loans receivable, net	12,176,516	10,056,732
Other assets	155,972	99,575
Total Assets	12,419,475	10,258,825
Liabilities and Equity
Secured debt agreements, net	6,841,759	5,273,855
Loan participations sold, net	81,044	80,415
Securitized debt obligations, net	1,284,362	1,282,412
Convertible notes, net	780,951	563,911
Other liabilities	123,366	140,826
Total Liabilities	9,111,482	7,341,419
Commitments and contingencies
Equity
Class A common stock, $0.01 par value, 200,000,000 shares authorized, 119,669,195 and 107,883,860 shares issued and outstanding as of September 30, 2018 and December 31, 2017, respectively	1,197	1,079
Additional paid-in capital	3,898,841	3,506,861
Accumulated other comprehensive loss	(32,849)	(29,706)
Accumulated deficit	(566,417)	(567,168)
Total Blackstone Mortgage Trust, Inc. stockholders' equity	3,300,772	2,911,066
Non-controlling interests	7,221	6,340
Total Equity	3,307,993	2,917,406
Total Liabilities and Equity	$ 12,419,475	$ 10,258,825