Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Assets
Cash and cash equivalents	$ 322,104,000	$ 350,014,000
Loans receivable	21,602,517,000	23,787,012,000
Current expected credit loss reserve	(1,011,059,000)	(576,936,000)
Loans receivable, net	20,591,458,000	23,210,076,000
Real estate owned, net	138,725,000	0
Other assets	390,907,000	476,088,000
Total Assets	21,443,194,000	24,036,178,000
Liabilities and Equity
Loan participations sold, net	103,489,000	337,179,000
Term loans, net	2,089,715,000	2,101,632,000
Senior secured notes, net	333,023,000	362,763,000
Convertible notes, net	263,334,000	295,847,000
Other liabilities	346,382,000	362,531,000
Total Liabilities	17,582,797,000	19,648,674,000
Commitments and contingencies	0	0
Equity
Class A common stock, $0.01 par value, 400,000,000 shares authorized, 172,987,597 and 173,209,933 shares issued and outstanding as of September 30, 2024 and December 31, 2023, respectively	1,730,000	1,732,000
Additional paid-in capital	5,521,305,000	5,507,459,000
Accumulated other comprehensive income	11,091,000	9,454,000
Accumulated deficit	(1,689,534,000)	(1,150,934,000)
Total Blackstone Mortgage Trust, Inc. stockholders’ equity	3,844,592,000	4,367,711,000
Non-controlling interests	15,805,000	19,793,000
Total Equity	3,860,397,000	4,387,504,000
Total Liabilities and Equity	21,443,194,000	24,036,178,000
Secured debt, net
Liabilities and Equity
Long-term debt	11,001,491,000	12,683,095,000
Securitized debt obligations, net
Liabilities and Equity
Long-term debt	2,248,307,000	2,505,417,000
Asset-specific debt, net
Liabilities and Equity
Long-term debt	$ 1,197,056,000	$ 1,000,210,000