Commitments and Contingencies (Tables)

12 Months Ended

Sep. 30, 2022

Commitments and Contingencies Disclosure [Abstract]

Schedule of Maturities of Operating Lease Liabilities

Maturities of operating lease liabilities as of September 30, 2022 were as follows:

(in thousands)	Amount
2023	$	3,387
2024	3,597
2025	3,092
2026	1,999
2027	2,049
Thereafter	17,338
Total lease payments	$	31,462
Less imputed interest	(7,624)
Total operating lease liabilities	$	23,838

Schedule of Operating Lease Information

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

	September 30,
	2022		2021
Weighted average remaining lease term (years)	9.8		11.9
Weighted average discount rate	5.4	%	6.1	%

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

	September 30,
(in thousands)	2022		2021
Operating cash outflows from operating leases	$	2,781	$	1,975
Right-of-use assets obtained in exchange for operating lease liabilities	$	1,529	$	10,358

Schedule of Change in Asset Retirement Obligation

The following table summarizes ARO activity:

	September 30,
(in thousands)	2022		2021
Balance at beginning of period	$	2,049	$	2,022
Additions from acquisitions	2,500		—
Accretion expense	90		48
Revision in estimated cash flows	25		(21)
Balance at end of period	$	4,664	$	2,049