Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 280,126	$ 289,970
Loans receivable	17,060,102	16,572,715
Current expected credit loss reserve	(172,100)	(173,549)
Loans receivable, net	16,888,002	16,399,166
Other assets	186,582	269,819
Total Assets	17,354,710	16,958,955
Liabilities and Equity
Secured debt agreements, net	8,124,787	7,880,536
Securitized debt obligations, net	2,875,241	2,922,499
Asset-specific debt agreements, net	430,448	391,269
Secured term loans, net	1,235,808	1,041,704
Convertible notes, net	617,242	616,389
Other liabilities	167,091	202,327
Total Liabilities	13,450,617	13,054,724
Commitments and contingencies
Equity
Class A common stock, $0.01 par value, 400,000,000 shares authorized, 147,031,082 and 146,780,031 shares issued and outstanding as of March 31, 2021 and December 31, 2020, respectively	1,470	1,468
Additional paid-in capital	4,710,986	4,702,713
Accumulated other comprehensive income (loss)	11,284	11,170
Accumulated deficit	(840,717)	(829,284)
Total Blackstone Mortgage Trust, Inc. stockholders' equity	3,883,023	3,886,067
Non-controlling interests	21,070	18,164
Total Equity	3,904,093	3,904,231
Total Liabilities and Equity	$ 17,354,710	$ 16,958,955