Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000950170-23-015859-index.html | 2023-04-28 16:26:39 | |
| 0000950170-23-015859.txt | 2023-04-28 16:26:39 | |
 0000950170-23-015859-xbrl.zip | 111387 | 2023-04-28 16:26:39 |
| FilingSummary.xml | 15983 | 2023-04-28 16:26:39 |
| Financial_Report.xlsx | 34114 | 2023-04-28 16:26:39 |
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| R1.htm | 53120 | 2023-04-28 16:26:39 |
| R10.htm | 9511 | 2023-04-28 16:26:39 |
| R11.htm | 74763 | 2023-04-28 16:26:39 |
| R12.htm | 25838 | 2023-04-28 16:26:39 |
| R13.htm | 48324 | 2023-04-28 16:26:39 |
| R14.htm | 55842 | 2023-04-28 16:26:39 |
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| R17.htm | 37211 | 2023-04-28 16:26:39 |
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| R19.htm | 6040 | 2023-04-28 16:26:39 |
| R2.htm | 101188 | 2023-04-28 16:26:39 |
| R20.htm | 15745 | 2023-04-28 16:26:39 |
| R21.htm | 38306 | 2023-04-28 16:26:39 |
| R22.htm | 19253 | 2023-04-28 16:26:39 |
| R3.htm | 21395 | 2023-04-28 16:26:39 |
| R4.htm | 74070 | 2023-04-28 16:26:39 |
| R5.htm | 42558 | 2023-04-28 16:26:39 |
| R6.htm | 59083 | 2023-04-28 16:26:39 |
| R7.htm | 18440 | 2023-04-28 16:26:39 |
| R8.htm | 51240 | 2023-04-28 16:26:39 |
| R9.htm | 6446 | 2023-04-28 16:26:39 |
| report.css | 2767 | 2023-04-28 16:26:39 |
| saia-20230331.htm | 1324051 | 2023-04-28 16:26:39 |
| saia-20230331.xsd | 32013 | 2023-04-28 16:26:39 |
| saia-20230331_cal.xml | 40665 | 2023-04-28 16:26:39 |
| saia-20230331_def.xml | 66889 | 2023-04-28 16:26:39 |
| saia-20230331_htm.xml | 360345 | 2023-04-28 16:26:39 |
| saia-20230331_lab.xml | 247114 | 2023-04-28 16:26:39 |
| saia-20230331_pre.xml | 158204 | 2023-04-28 16:26:39 |
| saia-ex31_1.htm | 15435 | 2023-04-28 16:26:39 |
| saia-ex31_2.htm | 15693 | 2023-04-28 16:26:39 |
| saia-ex32_1.htm | 9485 | 2023-04-28 16:26:39 |
| saia-ex32_2.htm | 9524 | 2023-04-28 16:26:39 |
| Show.js | 1085 | 2023-04-28 16:26:39 |