Quarterly report pursuant to Section 13 or 15(d)

Leases - Lease Cost (Details)

v3.22.1
Leases - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Leases [Abstract]        
Operating lease cost $ 637 $ 553 $ 1,234 $ 1,353
Short-term lease cost 4,114 2,635 8,207 5,125
Total lease expense $ 4,751 $ 3,188 $ 9,441 $ 6,478