Potential Antidilutive Securities Excluded from Future Computations of Earnings, Amount

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Performance Period

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Forfeiture Rate

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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.

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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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- 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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- 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

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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).

+ References

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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

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

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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- Definition

Number of share options (or share units) exercised during the current period.

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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended
	May 31, 2017	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	May 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Approved and authorized maximum number of shares to be issued (in shares)							2,400,000
Compensation expense related to stock based awards outstanding		$ 592		$ 540	$ 1,800	$ 1,800
Exercise of stock options (in shares)		13,710		0	173,518	3,924
Proceeds received upon exercise of stock options		$ 68			$ 1,000	$ 8
Potential antidilutive securities excluded from future computations of earnings, amount		2,364,018		2,540,826	2,281,805	2,340,874
Total unrecognized compensation expense		$ 4,100			$ 4,100
Share-based compensation cost not yet recognized, period for recognition			2 years
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, expiration period					10 years
Options granted in period, shares	425,204
Forfeiture rate					5.50%
Stock options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, vesting period					3 years
Stock options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, vesting period					5 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Forfeiture rate					5.50%
Officers and Executives \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period (in shares)	345,913
Weighted average grant date fair value (in dollars per share)	$ 7.22
Executive Officer \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period (in shares)	69,945
Performance period	2 years
Weighted average grant date fair value (in dollars per share)	$ 7.22
2017 LTIP \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Forfeiture rate					3.20%