Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-25-000806-index-headers.html | 2025-02-11 16:26:15 | |
| 0001558370-25-000806-index.html | 2025-02-11 16:26:15 | |
| 0001558370-25-000806.txt | 2025-02-11 16:26:15 | |
 0001558370-25-000806-xbrl.zip | 412479 | 2025-02-11 16:26:15 |
| FilingSummary.xml | 41500 | 2025-02-11 16:26:15 |
| Financial_Report.xlsx | 126260 | 2025-02-11 16:26:15 |
| fsp-20241231.xsd | 73809 | 2025-02-11 16:26:15 |
| fsp-20241231x10k.htm | 3332217 | 2025-02-11 16:26:15 |
 fsp-20241231x10k006.jpg | 69963 | 2025-02-11 16:26:15 |
| fsp-20241231x10k_htm.xml | 2201821 | 2025-02-11 16:26:15 |
| fsp-20241231xex19d1.htm | 36993 | 2025-02-11 16:26:15 |
| fsp-20241231xex21d1.htm | 26664 | 2025-02-11 16:26:15 |
| fsp-20241231xex23d1.htm | 2687 | 2025-02-11 16:26:15 |
| fsp-20241231xex31d1.htm | 15394 | 2025-02-11 16:26:15 |
| fsp-20241231xex31d2.htm | 15444 | 2025-02-11 16:26:15 |
| fsp-20241231xex32d1.htm | 6396 | 2025-02-11 16:26:15 |
| fsp-20241231xex32d2.htm | 6456 | 2025-02-11 16:26:15 |
| fsp-20241231_cal.xml | 78138 | 2025-02-11 16:26:15 |
| fsp-20241231_def.xml | 250377 | 2025-02-11 16:26:15 |
| fsp-20241231_lab.xml | 668335 | 2025-02-11 16:26:15 |
| fsp-20241231_pre.xml | 450801 | 2025-02-11 16:26:15 |
| MetaLinks.json | 1024524 | 2025-02-11 16:26:15 |
| R1.htm | 68344 | 2025-02-11 16:26:15 |
| R10.htm | 31546 | 2025-02-11 16:26:15 |
| R11.htm | 38931 | 2025-02-11 16:26:15 |
| R12.htm | 25475 | 2025-02-11 16:26:15 |
| R13.htm | 45431 | 2025-02-11 16:26:15 |
| R14.htm | 63483 | 2025-02-11 16:26:15 |
| R15.htm | 102424 | 2025-02-11 16:26:15 |
| R16.htm | 6187 | 2025-02-11 16:26:15 |
| R17.htm | 34746 | 2025-02-11 16:26:15 |
| R18.htm | 94687 | 2025-02-11 16:26:15 |
| R19.htm | 5937 | 2025-02-11 16:26:15 |
| R2.htm | 105083 | 2025-02-11 16:26:15 |
| R20.htm | 59209 | 2025-02-11 16:26:15 |
| R21.htm | 260037 | 2025-02-11 16:26:15 |
| R22.htm | 8481 | 2025-02-11 16:26:15 |
| R23.htm | 33276 | 2025-02-11 16:26:15 |
| R24.htm | 231465 | 2025-02-11 16:26:15 |
| R25.htm | 129825 | 2025-02-11 16:26:15 |
| R26.htm | 24202 | 2025-02-11 16:26:15 |
| R27.htm | 21501 | 2025-02-11 16:26:15 |
| R28.htm | 38483 | 2025-02-11 16:26:15 |
| R29.htm | 53131 | 2025-02-11 16:26:15 |
| R3.htm | 55032 | 2025-02-11 16:26:15 |
| R30.htm | 100536 | 2025-02-11 16:26:15 |
| R31.htm | 28512 | 2025-02-11 16:26:15 |
| R32.htm | 84965 | 2025-02-11 16:26:15 |
| R33.htm | 14077 | 2025-02-11 16:26:15 |
| R34.htm | 60155 | 2025-02-11 16:26:15 |
| R35.htm | 13492 | 2025-02-11 16:26:15 |
| R36.htm | 31727 | 2025-02-11 16:26:15 |
| R37.htm | 24295 | 2025-02-11 16:26:15 |
| R38.htm | 19877 | 2025-02-11 16:26:15 |
| R39.htm | 6143 | 2025-02-11 16:26:15 |
| R4.htm | 85164 | 2025-02-11 16:26:15 |
| R40.htm | 16341 | 2025-02-11 16:26:15 |
| R41.htm | 44081 | 2025-02-11 16:26:15 |
| R42.htm | 4431 | 2025-02-11 16:26:15 |
| R43.htm | 18830 | 2025-02-11 16:26:15 |
| R44.htm | 16475 | 2025-02-11 16:26:15 |
| R45.htm | 11804 | 2025-02-11 16:26:15 |
| R46.htm | 174390 | 2025-02-11 16:26:15 |
| R47.htm | 14868 | 2025-02-11 16:26:15 |
| R48.htm | 15123 | 2025-02-11 16:26:15 |
| R49.htm | 16494 | 2025-02-11 16:26:15 |
| R5.htm | 20802 | 2025-02-11 16:26:15 |
| R50.htm | 16405 | 2025-02-11 16:26:15 |
| R51.htm | 34992 | 2025-02-11 16:26:15 |
| R52.htm | 13718 | 2025-02-11 16:26:15 |
| R53.htm | 32809 | 2025-02-11 16:26:15 |
| R54.htm | 22895 | 2025-02-11 16:26:15 |
| R55.htm | 9840 | 2025-02-11 16:26:15 |
| R56.htm | 137358 | 2025-02-11 16:26:15 |
| R57.htm | 25489 | 2025-02-11 16:26:15 |
| R58.htm | 39466 | 2025-02-11 16:26:15 |
| R59.htm | 12220 | 2025-02-11 16:26:15 |
| R6.htm | 35604 | 2025-02-11 16:26:15 |
| R60.htm | 13957 | 2025-02-11 16:26:15 |
| R61.htm | 161166 | 2025-02-11 16:26:15 |
| R62.htm | 23541 | 2025-02-11 16:26:15 |
| R7.htm | 103580 | 2025-02-11 16:26:15 |
| R8.htm | 7142 | 2025-02-11 16:26:15 |
| R9.htm | 156428 | 2025-02-11 16:26:15 |
| report.css | 2767 | 2025-02-11 16:26:15 |
| Show.js | 1085 | 2025-02-11 16:26:15 |