Commitments and Contingencies (Tables)

12 Months Ended

Sep. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

Schedule of Maturities of Operating Lease Liabilities

Maturities of operating lease liabilities as of September 30, 2023 were as follows:

(in thousands)	Amount
2024	$	4,614
2025	4,137
2026	3,072
2027	2,757
2028	2,830
Thereafter	22,179
Total lease payments	$	39,589
Less imputed interest	(15,674)
Total operating lease liabilities	$	23,915

Schedule of Operating Lease Information

Weighted-average remaining lease term and discount rate related to operating leases are as follows:

	September 30,
	2023		2022
Weighted average remaining lease term (years)	10.0		9.8
Weighted average discount rate	9.5	%	5.4	%

Supplemental cash information and non-cash activities related to operating leases are as follows:

	September 30,
(in thousands)	2023		2022
Operating cash outflows from operating leases	$	3,749	$	2,011
Right-of-use assets obtained in exchange for operating lease liabilities	$	2,577	$	1,529

Schedule of Change in Asset Retirement Obligation

The following table summarizes ARO activity:

	September 30,
(in thousands)	2023		2022
Balance at beginning of period	$	4,664	$	2,049
Acquisition-related adjustment	(604)		2,500
Accretion expense	134		90
Revision in estimated cash flows	—		25
Balance at end of period	$	4,194	$	4,664