Common shares earned percentage of initial target number shares awarded.

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- Definition

Outstanding share awards earned and issued at greater than the target number of shares.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award performance period.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

No definition available.

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

+ Details

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

Number of options vested.

+ References

No definition available.

+ Details

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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
2007 Plan
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Aggregate number of shares that may be awarded (in shares)	600,000		600,000
Stock options, vesting period (in years)			10 years
Performance period (in years)			3 years
Stock options may be awarded (in shares)	159,000		159,000
Compensation expense related to performance and restricted shares awarded	$ 236	$ 385	$ (228)	$ 785
Total unrecognized compensation cost related to performance and restricted shares awarded	1,646		$ 1,646
Period of recognized compensation cost (in years)			2 years 3 months
2007 Plan \| Maximum
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Common shares earned as percentage of initial target number shares awarded			150.00%
Outstanding share awards earned and issued at greater than the target number of shares			150.00%
2007 Plan \| Minimum
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Common shares earned as percentage of initial target number shares awarded			0.00%
Restricted shares \| Maximum
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Stock options, vesting period (in years)			3 years
Restricted shares \| Minimum
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Stock options, vesting period (in years)			1 year
First Award \| Performance shares
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Weighted average grant date fair value (in USD per share)			$ 10.50
First Award \| Performance shares \| 2007 Plan
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Stock options, vesting period (in years)			3 years
Share granted (in shares)			92,000
First Award \| Restricted shares
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Weighted average grant date fair value (in USD per share)			$ 9.45
First Award \| Restricted shares \| 2007 Plan
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Stock options, vesting period (in years)			1 year
Share granted (in shares)			29,000
Shares vested (in shares)			20,000
Second Award \| Performance shares
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Weighted average grant date fair value (in USD per share)			$ 9.50
Second Award \| Performance shares \| 2007 Plan
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Stock options, vesting period (in years)			6 months
Share granted (in shares)			10,000
Second Award \| Restricted shares
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Weighted average grant date fair value (in USD per share)			$ 9.60
Second Award \| Restricted shares \| 2007 Plan
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Stock options, vesting period (in years)			3 years
Share granted (in shares)			30,000
Employee Severance \| 2007 Plan
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Compensation expense related to performance and restricted shares awarded	$ 233