| Leases - Schedule of Right of Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Sep. 30, 2023 | 
|---|---|---|
| Leases [Abstract] | ||
| Right of use asset - operating leases | $ 65,799 | $ 54,544 | 
| Current - operating | 12,799 | 11,369 | 
| Current - finance | 361 | 359 | 
| Long term - operating | 58,291 | 48,156 | 
| Long term - finance | $ 32,981 | $ 32,942 | 
| X | ||||||||||
| 
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
 | 
| X | ||||||||||
| 
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
 | 
| X | ||||||||||
| 
- References No definition available. 
 | 
| X | ||||||||||
| 
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
 | 
| X | ||||||||||
| 
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
 | 
| X | ||||||||||
| 
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
 |