Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 110,622	$ 96,450
Restricted cash	434	9,556
Loans receivable, net	9,313,763	9,077,007
Equity investments in unconsolidated subsidiaries	2,762	9,441
Other assets	127,185	184,119
Total Assets	9,554,766	9,376,573
Liabilities and Equity
Accounts payable, accrued expenses, and other liabilities	99,684	93,679
Secured debt agreements	6,311,659	6,116,105
Loan participations sold	476,894	497,032
Convertible notes, net	164,696	164,026
Total Liabilities	$ 7,052,933	$ 6,870,842
Commitments and contingencies
Equity
Additional paid-in capital	$ 3,074,975	$ 3,070,200
Accumulated other comprehensive loss	(33,445)	(32,758)
Accumulated deficit	(547,052)	(545,791)
Total Blackstone Mortgage Trust, Inc. stockholders' equity	2,495,417	2,492,588
Non-controlling interests	6,416	13,143
Total Equity	2,501,833	2,505,731
Total Liabilities and Equity	9,554,766	9,376,573
Class A Common Stock [Member]
Equity
Class A common stock, $0.01 par value, 200,000,000 shares authorized, 93,912,409 and 93,702,326 shares issued and outstanding as of March 31, 2016 and December 31, 2015, respectively	$ 939	$ 937