Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Assets
Cash and cash equivalents	$ 18,474	$ 51,810
Restricted cash	26,890	11,591
Loans receivable, net	4,943,383	4,428,500
Equity investments in unconsolidated subsidiaries	11,570	10,604
Accrued interest receivable, prepaid expenses, and other assets	85,381	86,016
Total assets	5,085,698	4,588,521
Liabilities and Equity
Accounts payable, accrued expenses, and other liabilities	62,862	61,013
Revolving repurchase facilities	2,241,630	2,040,783
Asset-specific repurchase agreements	407,203	324,553
Loan participations sold	708,845	499,433
Convertible notes, net	162,460	161,853
Total liabilities	3,583,000	3,087,635
Equity
Class A common stock, $0.01 par value, 100,000,000 shares authorized, 58,451,077 and 58,269,889 shares issued and outstanding as of March 31, 2015 and December 31, 2014, respectively	585	583
Additional paid-in capital	2,030,760	2,027,404
Accumulated other comprehensive loss	(31,756)	(15,024)
Accumulated deficit	(542,654)	(547,592)
Total Blackstone Mortgage Trust, Inc. stockholders' equity	1,456,935	1,465,371
Non-controlling interests	45,763	35,515
Total equity	1,502,698	1,500,886
Total liabilities and equity	$ 5,085,698	$ 4,588,521