Leases - Summary of Lease Balances in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating lease right-of-use assets	$ 19,919	$ 22,427
Operating lease liabilities, current	2,261	2,045
Operating lease liabilities - long-term	19,374	21,620
Total operating lease liabilities	$ 21,635	$ 23,665

Operating Lease, Right-Of-Use Asset, Noncurrent

No definition available.

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Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

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Period Type:	instant

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

+ Details

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