Consolidated Balance Sheets - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Assets
Cash and cash equivalents	$ 323,483,000	$ 350,014,000
Loans receivable	19,047,518,000	23,787,012,000
Current expected credit loss reserve	(733,936,000)	(576,936,000)
Loans receivable, net	18,313,582,000	23,210,076,000
Real estate owned, net	588,185,000	0
Investments in unconsolidated entities	4,452,000	0
Other assets	572,253,000	476,088,000
Total Assets	19,801,955,000	24,036,178,000
Liabilities and Equity
Loan participations sold, net	100,064,000	337,179,000
Term loans, net	1,732,073,000	2,101,632,000
Senior secured notes, net	771,035,000	362,763,000
Convertible notes, net	263,616,000	295,847,000
Other liabilities	282,847,000	362,531,000
Total Liabilities	16,007,766,000	19,648,674,000
Commitments and contingencies (Note 22)
Equity
Class A common stock, $0.01 par value, 400,000,000 shares authorized, 172,792,094 and 173,209,933 shares issued and outstanding as of December 31, 2024 and 2023, respectively	1,728,000	1,732,000
Additional paid-in capital	5,511,053,000	5,507,459,000
Accumulated other comprehensive income	8,268,000	9,454,000
Accumulated deficit	(1,733,741,000)	(1,150,934,000)
Total Blackstone Mortgage Trust, Inc. stockholders’ equity	3,787,308,000	4,367,711,000
Non-controlling interests	6,881,000	19,793,000
Total Equity	3,794,189,000	4,387,504,000
Total Liabilities and Equity	19,801,955,000	24,036,178,000
Secured debt, net
Liabilities and Equity
Long-term debt	9,696,334,000	12,683,095,000
Securitized debt obligations, net
Liabilities and Equity
Long-term debt	1,936,956,000	2,505,417,000
Asset-specific debt, net
Liabilities and Equity
Long-term debt	$ 1,224,841,000	$ 1,000,210,000