Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-040700-index-headers.html | 2019-11-06 08:48:22 | |
| 0001564590-19-040700-index.html | 2019-11-06 08:48:22 | |
| 0001564590-19-040700.txt | 2019-11-06 08:48:22 | |
 0001564590-19-040700-xbrl.zip | 478642 | 2019-11-06 08:48:22 |
| FilingSummary.xml | 86509 | 2019-11-06 08:48:22 |
| Financial_Report.xlsx | 179075 | 2019-11-06 08:48:22 |
| MetaLinks.json | 1219902 | 2019-11-06 08:48:22 |
| R1.htm | 60966 | 2019-11-06 08:48:22 |
| R10.htm | 8823 | 2019-11-06 08:48:22 |
| R100.htm | 19994 | 2019-11-06 08:48:22 |
| R101.htm | 26771 | 2019-11-06 08:48:22 |
| R102.htm | 54526 | 2019-11-06 08:48:22 |
| R103.htm | 8389 | 2019-11-06 08:48:22 |
| R104.htm | 25127 | 2019-11-06 08:48:22 |
| R105.htm | 68727 | 2019-11-06 08:48:22 |
| R106.htm | 20218 | 2019-11-06 08:48:22 |
| R107.htm | 8165 | 2019-11-06 08:48:22 |
| R108.htm | 17140 | 2019-11-06 08:48:22 |
| R109.htm | 4530 | 2019-11-06 08:48:22 |
| R11.htm | 19405 | 2019-11-06 08:48:22 |
| R110.htm | 11402 | 2019-11-06 08:48:22 |
| R111.htm | 12777 | 2019-11-06 08:48:22 |
| R112.htm | 26938 | 2019-11-06 08:48:22 |
| R113.htm | 6735 | 2019-11-06 08:48:22 |
| R114.htm | 40305 | 2019-11-06 08:48:22 |
| R115.htm | 15045 | 2019-11-06 08:48:22 |
| R116.htm | 3901 | 2019-11-06 08:48:22 |
| R12.htm | 21349 | 2019-11-06 08:48:22 |
| R13.htm | 43053 | 2019-11-06 08:48:22 |
| R14.htm | 1352609 | 2019-11-06 08:48:22 |
| R15.htm | 96020 | 2019-11-06 08:48:22 |
| R16.htm | 564426 | 2019-11-06 08:48:22 |
| R17.htm | 1168581 | 2019-11-06 08:48:22 |
| R18.htm | 148297 | 2019-11-06 08:48:22 |
| R19.htm | 9063 | 2019-11-06 08:48:22 |
| R2.htm | 115906 | 2019-11-06 08:48:22 |
| R20.htm | 49554 | 2019-11-06 08:48:22 |
| R21.htm | 73749 | 2019-11-06 08:48:22 |
| R22.htm | 81799 | 2019-11-06 08:48:22 |
| R23.htm | 236913 | 2019-11-06 08:48:22 |
| R24.htm | 9437 | 2019-11-06 08:48:22 |
| R25.htm | 7933 | 2019-11-06 08:48:22 |
| R26.htm | 169199 | 2019-11-06 08:48:22 |
| R27.htm | 43306 | 2019-11-06 08:48:22 |
| R28.htm | 498057 | 2019-11-06 08:48:22 |
| R29.htm | 102809 | 2019-11-06 08:48:22 |
| R3.htm | 16977 | 2019-11-06 08:48:22 |
| R30.htm | 12943 | 2019-11-06 08:48:22 |
| R31.htm | 15396 | 2019-11-06 08:48:22 |
| R32.htm | 143487 | 2019-11-06 08:48:22 |
| R33.htm | 84806 | 2019-11-06 08:48:22 |
| R34.htm | 10166 | 2019-11-06 08:48:22 |
| R35.htm | 16088 | 2019-11-06 08:48:22 |
| R36.htm | 5558 | 2019-11-06 08:48:22 |
| R37.htm | 26564 | 2019-11-06 08:48:22 |
| R38.htm | 30580 | 2019-11-06 08:48:22 |
| R39.htm | 43555 | 2019-11-06 08:48:22 |
| R4.htm | 84928 | 2019-11-06 08:48:22 |
| R40.htm | 1333693 | 2019-11-06 08:48:22 |
| R41.htm | 94469 | 2019-11-06 08:48:22 |
| R42.htm | 563285 | 2019-11-06 08:48:22 |
| R43.htm | 1161849 | 2019-11-06 08:48:22 |
| R44.htm | 144575 | 2019-11-06 08:48:22 |
| R45.htm | 54314 | 2019-11-06 08:48:22 |
| R46.htm | 72460 | 2019-11-06 08:48:22 |
| R47.htm | 76061 | 2019-11-06 08:48:22 |
| R48.htm | 239443 | 2019-11-06 08:48:22 |
| R49.htm | 164426 | 2019-11-06 08:48:22 |
| R5.htm | 32228 | 2019-11-06 08:48:22 |
| R50.htm | 41540 | 2019-11-06 08:48:22 |
| R51.htm | 488056 | 2019-11-06 08:48:22 |
| R52.htm | 102075 | 2019-11-06 08:48:22 |
| R53.htm | 143949 | 2019-11-06 08:48:22 |
| R54.htm | 83050 | 2019-11-06 08:48:22 |
| R55.htm | 5832 | 2019-11-06 08:48:22 |
| R56.htm | 17273 | 2019-11-06 08:48:22 |
| R57.htm | 11230 | 2019-11-06 08:48:22 |
| R58.htm | 10385 | 2019-11-06 08:48:22 |
| R59.htm | 16752 | 2019-11-06 08:48:22 |
| R6.htm | 18628 | 2019-11-06 08:48:22 |
| R60.htm | 98760 | 2019-11-06 08:48:22 |
| R61.htm | 39491 | 2019-11-06 08:48:22 |
| R62.htm | 61500 | 2019-11-06 08:48:22 |
| R63.htm | 52952 | 2019-11-06 08:48:22 |
| R64.htm | 57956 | 2019-11-06 08:48:22 |
| R65.htm | 7398 | 2019-11-06 08:48:22 |
| R66.htm | 54329 | 2019-11-06 08:48:22 |
| R67.htm | 46743 | 2019-11-06 08:48:22 |
| R68.htm | 52719 | 2019-11-06 08:48:22 |
| R69.htm | 58904 | 2019-11-06 08:48:22 |
| R7.htm | 90585 | 2019-11-06 08:48:22 |
| R70.htm | 54268 | 2019-11-06 08:48:22 |
| R71.htm | 46225 | 2019-11-06 08:48:22 |
| R72.htm | 27408 | 2019-11-06 08:48:22 |
| R73.htm | 40694 | 2019-11-06 08:48:22 |
| R74.htm | 55136 | 2019-11-06 08:48:22 |
| R75.htm | 29913 | 2019-11-06 08:48:22 |
| R76.htm | 64188 | 2019-11-06 08:48:22 |
| R77.htm | 42331 | 2019-11-06 08:48:22 |
| R78.htm | 25499 | 2019-11-06 08:48:22 |
| R79.htm | 34123 | 2019-11-06 08:48:22 |
| R8.htm | 6524 | 2019-11-06 08:48:22 |
| R80.htm | 19203 | 2019-11-06 08:48:22 |
| R81.htm | 16981 | 2019-11-06 08:48:22 |
| R82.htm | 31998 | 2019-11-06 08:48:22 |
| R83.htm | 23235 | 2019-11-06 08:48:22 |
| R84.htm | 27015 | 2019-11-06 08:48:22 |
| R85.htm | 12670 | 2019-11-06 08:48:22 |
| R86.htm | 12910 | 2019-11-06 08:48:22 |
| R87.htm | 11100 | 2019-11-06 08:48:22 |
| R88.htm | 18701 | 2019-11-06 08:48:22 |
| R89.htm | 10890 | 2019-11-06 08:48:22 |
| R9.htm | 141769 | 2019-11-06 08:48:22 |
| R90.htm | 6414 | 2019-11-06 08:48:22 |
| R91.htm | 9646 | 2019-11-06 08:48:22 |
| R92.htm | 42375 | 2019-11-06 08:48:22 |
| R93.htm | 7935 | 2019-11-06 08:48:22 |
| R94.htm | 34451 | 2019-11-06 08:48:22 |
| R95.htm | 10490 | 2019-11-06 08:48:22 |
| R96.htm | 15892 | 2019-11-06 08:48:22 |
| R97.htm | 69462 | 2019-11-06 08:48:22 |
| R98.htm | 24317 | 2019-11-06 08:48:22 |
| R99.htm | 17934 | 2019-11-06 08:48:22 |
| report.css | 2767 | 2019-11-06 08:48:22 |
| sf-10q_20190930.htm | 10575808 | 2019-11-06 08:48:22 |
| sf-10q_20190930_htm.xml | 11270717 | 2019-11-06 08:48:22 |
| sf-20190930.xsd | 116264 | 2019-11-06 08:48:22 |
| sf-20190930_cal.xml | 178356 | 2019-11-06 08:48:22 |
| sf-20190930_def.xml | 460361 | 2019-11-06 08:48:22 |
| sf-20190930_lab.xml | 878388 | 2019-11-06 08:48:22 |
| sf-20190930_pre.xml | 754537 | 2019-11-06 08:48:22 |
| sf-ex311_6.htm | 17164 | 2019-11-06 08:48:22 |
| sf-ex312_9.htm | 17162 | 2019-11-06 08:48:22 |
| sf-ex321_7.htm | 5694 | 2019-11-06 08:48:22 |
| sf-ex322_8.htm | 5673 | 2019-11-06 08:48:22 |
| Show.js | 1085 | 2019-11-06 08:48:22 |