Share-Based Compensation Arrangement By Share-Based Payment Award, Reduction To Shares Available For Grant, Ratio

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Amount of noncash expense for share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ 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
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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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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
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Stock Plans and Stock Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares)	62,360	65,785	59,333
Stock-based compensation expense \| $	$ 4,235	$ 3,477	$ 2,956
Average grant date fair value (in dollars per share) \| $ / shares	$ 89.21
Stock options and SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares)	0
Stock-based compensation expense \| $	$ 235	$ 304	$ 367
Unrecognized compensation cost stock option awards \| $	$ 375
Weighted average period for recognition	2 years 2 months 12 days
Awards granted during period (in shares)	0	0	0
Stock options and SARs \| 2009 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award term (no more than)	10 years
SARs, shares of restricted stock and restricted units and performance share awards \| 2019 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized number of awards (in shares)	1,275,000
Restricted stock awards and restricted units and performance share awards \| 2019 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reduction to shares available for grant (ratio)	4.25
Restricted stock awards and restricted units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense \| $	$ 4,000	$ 3,200	$ 2,600
Unrecognized compensation cost for non-option awards \| $	$ 14,100
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares)	49,365	65,785	59,333
Weighted average period for recognition	3 years 6 months
Average grant date fair value (in dollars per share) \| $ / shares		$ 75.44	$ 79.51
Restricted units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares)	8,345
Weighted average period for recognition	4 years 10 months 24 days
Restricted units \| 2009 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	5 years
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares)	4,650
Full-value share awards \| 2019 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized number of awards (in shares)	300,000
Minimum \| Stock options and SARs \| 2009 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	5 years
Minimum \| Restricted stock \| 2009 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	5 years
Maximum \| Stock options and SARs \| 2009 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	7 years
Maximum \| Restricted stock \| 2009 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	7 years