Commitments and Contingencies (Tables)

12 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Annual Rental Commitments Under Leases

At September 30, 2018, the future minimum annual rental commitments and expected receipts under non-cancelable operating leases having terms in excess of one year were as follows (in thousands):

Years Ended September 30,	Operating Leases Payments		Operating Sublease Income
2019	$	3,002	$	(1,259	)
2020	2,135		(38		)
2021	2,000		—
2022	1,875		—
2023	1,298		—
Thereafter	—		—
Total lease commitments	$	10,310	$	(1,297	)

Schedule of Lease Expense and Sublease Income

Lease expense and sublease income from third parties was as follows (in thousands):

	Year Ended September 30,
	2018			2017			2016
Rental expense	$	3,432		$	3,734		$	4,469
Sublease income from third parties	(1,487		)	(1,389		)	(986		)