Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-014894-index-headers.html | 2019-05-01 17:23:46 | |
| 0001564590-19-014894-index.html | 2019-05-01 17:23:46 | |
| 0001564590-19-014894.txt | 2019-05-01 17:23:46 | |
 0001564590-19-014894-xbrl.zip | 71043 | 2019-05-01 17:23:46 |
| FilingSummary.xml | 20417 | 2019-05-01 17:23:46 |
| Financial_Report.xlsx | 36182 | 2019-05-01 17:23:46 |
| R1.htm | 25611 | 2019-05-01 17:23:46 |
| R10.htm | 7191 | 2019-05-01 17:23:46 |
| R11.htm | 53391 | 2019-05-01 17:23:46 |
| R12.htm | 88810 | 2019-05-01 17:23:46 |
| R13.htm | 40033 | 2019-05-01 17:23:46 |
| R14.htm | 15220 | 2019-05-01 17:23:46 |
| R15.htm | 50310 | 2019-05-01 17:23:46 |
| R16.htm | 48503 | 2019-05-01 17:23:46 |
| R17.htm | 89587 | 2019-05-01 17:23:46 |
| R18.htm | 44868 | 2019-05-01 17:23:46 |
| R19.htm | 6988 | 2019-05-01 17:23:46 |
| R2.htm | 79823 | 2019-05-01 17:23:46 |
| R20.htm | 9683 | 2019-05-01 17:23:46 |
| R21.htm | 25272 | 2019-05-01 17:23:46 |
| R22.htm | 4820 | 2019-05-01 17:23:46 |
| R23.htm | 6089 | 2019-05-01 17:23:46 |
| R24.htm | 4088 | 2019-05-01 17:23:46 |
| R25.htm | 15698 | 2019-05-01 17:23:46 |
| R26.htm | 50401 | 2019-05-01 17:23:46 |
| R27.htm | 19453 | 2019-05-01 17:23:46 |
| R28.htm | 7120 | 2019-05-01 17:23:46 |
| R29.htm | 34060 | 2019-05-01 17:23:46 |
| R3.htm | 20952 | 2019-05-01 17:23:46 |
| R30.htm | 40456 | 2019-05-01 17:23:46 |
| R4.htm | 55336 | 2019-05-01 17:23:46 |
| R5.htm | 35241 | 2019-05-01 17:23:46 |
| R6.htm | 51478 | 2019-05-01 17:23:46 |
| R7.htm | 32376 | 2019-05-01 17:23:46 |
| R8.htm | 50941 | 2019-05-01 17:23:46 |
| R9.htm | 5868 | 2019-05-01 17:23:46 |
| report.css | 2767 | 2019-05-01 17:23:46 |
| saia-10q_20190331.htm | 1424573 | 2019-05-01 17:23:46 |
| saia-20190331.xml | 573994 | 2019-05-01 17:23:46 |
| saia-20190331.xsd | 39414 | 2019-05-01 17:23:46 |
| saia-20190331_cal.xml | 55634 | 2019-05-01 17:23:46 |
| saia-20190331_def.xml | 59716 | 2019-05-01 17:23:46 |
| saia-20190331_lab.xml | 254543 | 2019-05-01 17:23:46 |
| saia-20190331_pre.xml | 174899 | 2019-05-01 17:23:46 |
| saia-ex311_8.htm | 15598 | 2019-05-01 17:23:46 |
| saia-ex312_9.htm | 15888 | 2019-05-01 17:23:46 |
| saia-ex321_7.htm | 7320 | 2019-05-01 17:23:46 |
| saia-ex322_6.htm | 7701 | 2019-05-01 17:23:46 |
| Show.js | 1085 | 2019-05-01 17:23:46 |