Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-21-002865-index-headers.html | 2021-02-23 17:15:51 | |
| 0001628280-21-002865-index.html | 2021-02-23 17:15:51 | |
| 0001628280-21-002865.txt | 2021-02-23 17:15:51 | |
 0001628280-21-002865-xbrl.zip | 541250 | 2021-02-23 17:15:51 |
| espr-20201231.htm | 2322685 | 2021-02-23 17:15:51 |
| espr-20201231.xsd | 62045 | 2021-02-23 17:15:51 |
| espr-20201231_cal.xml | 86604 | 2021-02-23 17:15:51 |
| espr-20201231_def.xml | 329839 | 2021-02-23 17:15:51 |
 espr-20201231_g1.jpg | 115731 | 2021-02-23 17:15:51 |
| espr-20201231_htm.xml | 1436093 | 2021-02-23 17:15:51 |
| espr-20201231_lab.xml | 778763 | 2021-02-23 17:15:51 |
| espr-20201231_pre.xml | 495244 | 2021-02-23 17:15:51 |
| ex-1022oberlandamendment.htm | 31676 | 2021-02-23 17:15:51 |
| ex-1023koenigemploymentagr.htm | 75853 | 2021-02-23 17:15:51 |
| ex-1024hallemploymentagree.htm | 64413 | 2021-02-23 17:15:51 |
| ex-231.htm | 8555 | 2021-02-23 17:15:51 |
| ex-311.htm | 9975 | 2021-02-23 17:15:51 |
| ex-312.htm | 10279 | 2021-02-23 17:15:51 |
| ex-321.htm | 6299 | 2021-02-23 17:15:51 |
| FilingSummary.xml | 40678 | 2021-02-23 17:15:51 |
| Financial_Report.xlsx | 115888 | 2021-02-23 17:15:51 |
| MetaLinks.json | 711332 | 2021-02-23 17:15:51 |
| R1.htm | 63251 | 2021-02-23 17:15:51 |
| R10.htm | 10764 | 2021-02-23 17:15:51 |
| R11.htm | 5542 | 2021-02-23 17:15:51 |
| R12.htm | 11143 | 2021-02-23 17:15:51 |
| R13.htm | 17231 | 2021-02-23 17:15:51 |
| R14.htm | 11444 | 2021-02-23 17:15:51 |
| R15.htm | 40939 | 2021-02-23 17:15:51 |
| R16.htm | 34257 | 2021-02-23 17:15:51 |
| R17.htm | 18632 | 2021-02-23 17:15:51 |
| R18.htm | 23743 | 2021-02-23 17:15:51 |
| R19.htm | 57555 | 2021-02-23 17:15:51 |
| R2.htm | 93016 | 2021-02-23 17:15:51 |
| R20.htm | 8551 | 2021-02-23 17:15:51 |
| R21.htm | 16446 | 2021-02-23 17:15:51 |
| R22.htm | 43160 | 2021-02-23 17:15:51 |
| R23.htm | 16853 | 2021-02-23 17:15:51 |
| R24.htm | 10674 | 2021-02-23 17:15:51 |
| R25.htm | 84126 | 2021-02-23 17:15:51 |
| R26.htm | 101267 | 2021-02-23 17:15:51 |
| R27.htm | 11787 | 2021-02-23 17:15:51 |
| R28.htm | 16356 | 2021-02-23 17:15:51 |
| R29.htm | 11195 | 2021-02-23 17:15:51 |
| R3.htm | 21348 | 2021-02-23 17:15:51 |
| R30.htm | 39310 | 2021-02-23 17:15:51 |
| R31.htm | 29434 | 2021-02-23 17:15:51 |
| R32.htm | 9055 | 2021-02-23 17:15:51 |
| R33.htm | 8176 | 2021-02-23 17:15:51 |
| R34.htm | 53041 | 2021-02-23 17:15:51 |
| R35.htm | 16109 | 2021-02-23 17:15:51 |
| R36.htm | 37033 | 2021-02-23 17:15:51 |
| R37.htm | 15751 | 2021-02-23 17:15:51 |
| R38.htm | 10392 | 2021-02-23 17:15:51 |
| R39.htm | 84144 | 2021-02-23 17:15:51 |
| R4.htm | 51255 | 2021-02-23 17:15:51 |
| R40.htm | 19085 | 2021-02-23 17:15:51 |
| R41.htm | 47976 | 2021-02-23 17:15:51 |
| R42.htm | 86902 | 2021-02-23 17:15:51 |
| R43.htm | 11792 | 2021-02-23 17:15:51 |
| R44.htm | 26149 | 2021-02-23 17:15:51 |
| R45.htm | 12452 | 2021-02-23 17:15:51 |
| R46.htm | 24058 | 2021-02-23 17:15:51 |
| R47.htm | 13056 | 2021-02-23 17:15:51 |
| R48.htm | 30837 | 2021-02-23 17:15:51 |
| R49.htm | 20446 | 2021-02-23 17:15:51 |
| R5.htm | 62633 | 2021-02-23 17:15:51 |
| R50.htm | 41597 | 2021-02-23 17:15:51 |
| R51.htm | 68222 | 2021-02-23 17:15:51 |
| R52.htm | 12452 | 2021-02-23 17:15:51 |
| R53.htm | 81124 | 2021-02-23 17:15:51 |
| R54.htm | 13509 | 2021-02-23 17:15:51 |
| R55.htm | 29222 | 2021-02-23 17:15:51 |
| R56.htm | 55173 | 2021-02-23 17:15:51 |
| R57.htm | 12204 | 2021-02-23 17:15:51 |
| R58.htm | 21473 | 2021-02-23 17:15:51 |
| R59.htm | 24893 | 2021-02-23 17:15:51 |
| R6.htm | 87275 | 2021-02-23 17:15:51 |
| R60.htm | 18651 | 2021-02-23 17:15:51 |
| R61.htm | 4522 | 2021-02-23 17:15:51 |
| R62.htm | 26223 | 2021-02-23 17:15:51 |
| R63.htm | 22238 | 2021-02-23 17:15:51 |
| R64.htm | 22159 | 2021-02-23 17:15:51 |
| R65.htm | 19845 | 2021-02-23 17:15:51 |
| R66.htm | 26011 | 2021-02-23 17:15:51 |
| R67.htm | 17601 | 2021-02-23 17:15:51 |
| R68.htm | 12586 | 2021-02-23 17:15:51 |
| R69.htm | 65774 | 2021-02-23 17:15:51 |
| R7.htm | 15818 | 2021-02-23 17:15:51 |
| R8.htm | 47701 | 2021-02-23 17:15:51 |
| R9.htm | 18887 | 2021-02-23 17:15:51 |
| report.css | 2767 | 2021-02-23 17:15:51 |
| Show.js | 1085 | 2021-02-23 17:15:51 |