Accumulated service period for voluntary termination.

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- Definition

Number of vesting installments.

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No definition available.

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- Definition

Share-based compensation arrangement by share-based payment award vesting date.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award vesting period1.

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- Definition

Voluntary termination of employment age limit.

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No definition available.

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- Definition

Voluntary termination of employment terms.

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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

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-Topic 718
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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Paragraph 3
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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Unrecognized cost of unvested share-based compensation awards.

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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.

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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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-Publisher FASB
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- Definition

Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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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

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 options outstanding, including both vested and non-vested options.

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Share Based Compensation, 401(k) Plan and Deferred Compensation (Textual) (Details) $ / shares in Units, $ in Millions				3 Months Ended
	Mar. 07, 2017 Installment shares	Mar. 01, 2017 shares	Feb. 01, 2017 shares	Mar. 31, 2017 USD ($) shares	Mar. 31, 2016 USD ($)	Feb. 06, 2017 $ / shares
Restricted Share Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number \| shares				618,961
Vesting period				3 years
Unrecognized compensation expenses \| $				$ 2.9
Weighted average period over which options will be recognized				1 year 6 months
Share-based compensation expense \| $				$ 1.5	$ 1.2
Share-based compensation expense, capitalized \| $				$ 0.3	0.3
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				three years from the initial grant dates
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares				141,751
Voluntary Termination Of Employment Terms				after reaching at least age 57 and accumulating at least 15 years of service with the Company
Accumulated Service Period For Voluntary Termination				15 years
Restricted Share Awards [Member] \| Executive Officer [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Voluntary Termination of Employment Age Limit				57 years
Restricted Share Awards [Member] \| Non-Officer Employees [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares	32,122
Number of Vesting Installments \| Installment	2
Restricted Share Awards [Member] \| Cliff Vest [Member] \| Executive Officer [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares		109,629
Share Based Compensation Arrangement By Share Based Payment Award, Vesting Date		Apr. 15, 2020
Restricted Share Awards [Member] \| Installment One [Member] \| Non-Officer Employees [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award, Vesting Date	Apr. 15, 2018
Restricted Share Awards [Member] \| Installment Two [Member] \| Non-Officer Employees [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award, Vesting Date	Apr. 15, 2019
Restricted Performance Share Units Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expenses \| $				$ 2.9
Weighted average period over which options will be recognized				1 year 10 months 24 days
Share-based compensation expense \| $				$ 2.4	1.7
Share-based compensation expense, capitalized \| $				$ 0.5	$ 0.5
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 year
Common shares issued for share based compensation \| shares			55,299
Dividends Payable, Amount Per Share \| $ / shares						$ 0.16
Restricted Performance Share Units Plan [Member] \| Executive Officer [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares				174,854
Restricted Performance Share Units Plan [Member] \| Cliff Vest [Member] \| Executive Officer [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights				three year cliff vesting period