Percentage of restricted shares match under the deposit share plan.

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- Definition

Number of equity incentive awards under the Equity Incentive Plan.

+ References

No definition available.

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- Definition

Percentage Of Accelerate Vest Awards To Number Of Shares

+ References

No definition available.

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- Definition

Period Of Termination To Accelerate Vest Awards To Shares

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award, Award Number Of Vesting Installments

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No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

+ Details

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SHARE-BASED COMPENSATION PLANS - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2020 USD ($) award shares	Sep. 30, 2020 USD ($) installment award shares	Sep. 30, 2019 USD ($) shares	Sep. 30, 2018 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity incentive awards \| award	6	6
Number of shares authorized (in shares)	4,978,000	4,978,000
Period of termination to accelerate vest awards to shares		18 months
Percentage of accelerate vest awards to number of shares		150.00%
Purchase price of common stock, percent		85.00%
Vesting period	3 years
Other than options or SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	2,074,000	2,074,000
Stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	2,539,000	2,539,000
Total unrecognized share-based compensation expense \| $	$ 5,267	$ 5,267
Compensation cost, weighted-average period for recognition		2 years 3 months 18 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)			43,443
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of vesting installments \| installment		3
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	291,000	291,000
Deposit Share Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deposit share plan match in restricted shares	50.00%	50.00%
Restricted stock, restricted stock units, and replacement awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized share-based compensation expense \| $	$ 14,256	$ 14,256
Compensation cost, weighted-average period for recognition		2 years 1 month 2 days
Fair value share-based payment awards \| $		$ 7,481	$ 11,060	$ 6,669