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| 0001061630-25-000054-index.html | 2025-04-30 06:43:01 | |
| 0001061630-25-000054.txt | 2025-04-30 06:43:01 | |
 0001061630-25-000054-xbrl.zip | 923200 | 2025-04-30 06:43:01 |
| bxmt-20250331.htm | 8238445 | 2025-04-30 06:43:01 |
| bxmt-20250331.xsd | 132858 | 2025-04-30 06:43:01 |
| bxmt-20250331_cal.xml | 123937 | 2025-04-30 06:43:01 |
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| bxmt-20250331_htm.xml | 7437838 | 2025-04-30 06:43:01 |
| bxmt-20250331_lab.xml | 1144620 | 2025-04-30 06:43:01 |
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| exhibit1011q25.htm | 930677 | 2025-04-30 06:43:01 |
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| exhibit3111q25.htm | 8546 | 2025-04-30 06:43:01 |
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| exhibit9911q25.htm | 4946 | 2025-04-30 06:43:01 |
| FilingSummary.xml | 74243 | 2025-04-30 06:43:01 |
| Financial_Report.xlsx | 274107 | 2025-04-30 06:43:01 |
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| report.css | 2768 | 2025-04-30 06:43:01 |
| Show.js | 1086 | 2025-04-30 06:43:01 |