Leases (Tables)

6 Months Ended

Mar. 31, 2023

Leases [Abstract]

Summary of Lease Term and Incremental Borrowing Rates for Leases

The following table presents certain information related to lease term and incremental borrowing rates for leases as of March 31, 2023 and September 30, 2022:

	March 31, 2023			September 30, 2022
Weighted-average remaining lease term (in months):
Operating leases		40.8			46.5
Finance leases		30.5			35.6
Weighted-average discount rate:
Operating leases		4.1	%		3.7	%
Finance leases		4.4	%		4.4	%

Summary of Lease Expense

The following table presents lease expense for the three and six months ended March 31, 2023 and 2022 (dollars in thousands):

	Three Months Ended March 31,						Six Months Ended March 31,
	2023			2022			2023			2022
Finance lease costs:
Amortization of right of use asset	$	108		$	109		$	216		$	218
Interest on lease liability		10			13			20			27
Operating lease cost		1,645			1,949			3,331			3,507
Variable lease cost		808			812			1,499			1,689
Sublease income		(48	)		(47	)		(93	)		(95	)
Total lease cost	$	2,523		$	2,836		$	4,973		$	5,346

Summary of Undiscounted Future Minimum Lease Payments Under Non-cancelable Leases

The table below reconciles the undiscounted future minimum lease payments under non-cancelable leases to the total lease liabilities recognized on the Condensed Consolidated Balance Sheet as of March 31, 2023 (dollars in thousands):

Year Ending September 30,	Operating Leases			Financing Leases			Total
2023	$	3,372		$	207		$	3,579
2024		6,102			417			6,519
2025		4,235			362			4,597
2026		1,980			53			2,033
2027		1,524			—			1,524
Thereafter		825			—			825
Total future minimum lease payments	$	18,038		$	1,039		$	19,077
Less effects of discounting		(1,086	)		(45	)		(1,131	)
Total lease liabilities	$	16,952		$	994		$	17,946
Reported as of March 31, 2023
Short-term lease liabilities	$	6,003		$	387		$	6,390
Long-term lease liabilities		10,949			607			11,556
Total lease liabilities	$	16,952		$	994		$	17,946