Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Number of Equal Installments

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options Expiration Period After Date of Grant

+ 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.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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-Publisher FASB
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- Definition

Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

+ References

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
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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.

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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

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.

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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

Net number of non-option equity instruments granted to participants.

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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).

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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

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

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

+ References

No definition available.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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- Definition

Weighted average remaining contractual term for fully vested and expected to vest options that are exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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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

Number of shares issued during the period as a result of an employee stock purchase plan.

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Stock-based Compensation (Narrative) (Details)	1 Months Ended	3 Months Ended		12 Months Ended
Stock-based Compensation (Narrative) (Details)	May 31, 2016 shares	Mar. 31, 2016 shares	Mar. 31, 2015 shares	Dec. 31, 2016 USD ($) equal_installments shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax benefit from options exercised				$ 374,000	$ 676,000
Number of options granted (in shares) \| shares				0	0	0
Typical options expiration period after date of grant				10 years
Vested options, weighted average remaining contractual life				1 year 24 days
Intrinsic value for vested options				$ 776,000
Intrinsic value for the total of all options exercised				1,200,000
Fair value of shares under vested stock options and awards				0
Cash received from options exercised				2,500,000	$ 2,000,000
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation costs				$ 652,000	$ 665,000	$ 442,000
Number of shares of stock awarded for services performed \| shares				24,153	22,648	31,725
Period One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods				3 years
Period Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods				4 years
Period Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods				5 years
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award service periods				5 years
Share-based compensation costs				$ 0	$ 0	$ 0
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation costs				$ 2,600,000	$ 2,600,000	$ 2,900,000
Equity instruments other than options, granted (in shares) \| shares		72,644	78,220
Number of shares of stock awarded for services performed \| shares				143,721	139,943	131,560
Total fair value of shares vested during period				$ 3,600,000
Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods				2 years
Equity instruments other than options, granted (in shares) \| shares		35,516	39,075
Share-based Compensation Award, Performance Period Ended December 31, 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods		3 years
Equity instruments other than options, granted (in shares) \| shares		11,408
Long-Term Incentive Plan 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance (in shares) \| shares				561,332
Long-Term Incentive Plan 2012 \| RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based unrecognized compensation costs				$ 2,900,000
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance (in shares) \| shares				467,755
Share-based compensation costs				$ 183,000	$ 58,000	$ 32,000
Maximum number of shares issuable (in shares) \| shares	500,000
Stocks purchased under the plan (in shares) \| shares				32,245	28,788	21,679
ESPP \| Fair Market Value at Investment Date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock, percent	95.00%
2016 RSUs \| RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods				3 years
2015 RSUs \| RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, award vesting periods				5 years
Award vesting, number of equal installments \| equal_installments				3