Number of Equal Successive Installments for Vesting of Stock Awards

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Number of shares reserved for issuance under equity instrument agreements awarded that validly exist and are outstanding, including vested instruments.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

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

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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.

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- Definition

Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.

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- Definition

The number of grants made 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).

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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).

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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.

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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- Definition

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

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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.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

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

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No definition available.

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- Definition

Amount of noncash expense for option under share-based payment arrangement.

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Equity Plans (Details) $ / shares in Units, $ in Thousands				3 Months Ended		9 Months Ended
Equity Plans (Details) $ / shares in Units, $ in Thousands	Apr. 24, 2019 $ / shares shares	Jan. 29, 2019 $ / shares shares	Jan. 02, 2019 vesting_installment $ / shares shares	Sep. 30, 2019 USD ($) shares	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) shares	Sep. 30, 2018 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs charged to income: \| $				$ 952	$ 504	$ 2,556	$ 1,383
Restricted stock and deferred restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs charged to income: \| $				812	377	2,273	1,141
Unrecognized compensation costs \| $				$ 3,466		$ 3,466
Recognition period for unrecognized compensation cost						1 year 2 months 1 day
Key officers \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments granted (shares)			17,451
Number of equal successive installments for vesting of stock awards (vesting installments) \| vesting_installment			3
Grant date fair value of equity instruments granted (usd per share) \| $ / shares			$ 51.28
Key officers \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments granted (shares)		9,882
Key officers \| Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target vesting percentage		0.00%
Key officers \| Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target vesting percentage		150.00%
Key officers \| Performance Shares 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments granted (shares)		9,043
Grant date fair value of equity instruments granted (usd per share) \| $ / shares		$ 54.84
Key officers \| Performance Shares 2 \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target vesting percentage		0.00%
Key officers \| Performance Shares 2 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target vesting percentage		150.00%
Key officers \| Performance Shares 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments granted (shares)		9,437
Grant date fair value of equity instruments granted (usd per share) \| $ / shares		$ 70.47
Key officers \| Performance Shares 3 \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target vesting percentage		0.00%
Key officers \| Performance Shares 3 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target vesting percentage		200.00%
Director \| Performance Shares 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments granted (shares)	9,114
Grant date fair value of equity instruments granted (usd per share) \| $ / shares	$ 60.30
Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issuable upon exercise of Incentive Plan awards (shares)						157,063
Remaining shares available for issuance under the Incentive Plan (shares)				823,597		823,597
Employee Stock Purchase Plan (ESPP)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs charged to income: \| $				$ 140	127	$ 283	242
ESPP proceeds \| $				792	718	1,603	1,371
Unrecognized compensation costs \| $				$ 134		$ 134
Purchase price of common stock under ESPP (percent)						85.00%
Maximum percentage of base compensation employees can designate for stock purchases under ESPP (percent)				10.00%		10.00%
Plan expense \| $				$ 82	$ 66	$ 223	$ 198
Employee Stock Purchase Plan (ESPP) \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance under the plan (shares)				400,000		400,000
Share-based Payment Arrangement, Tranche One [Member] \| Key officers \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value of equity instruments granted (usd per share) \| $ / shares		$ 57.12
Share-based Payment Arrangement, Tranche Two [Member] \| Key officers \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value of equity instruments granted (usd per share) \| $ / shares		$ 55.97