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- Definition

Number of Share-Based Compensation Plans

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Number of New Directors

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- Definition

Percentage of Options That Vest if Minimum Trading Period Price is Reached

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Share-based Compensation Arrangement by Share-based Payment Award, Options and Equity Instruments Other than Options, Outstanding, Number

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- Definition

Vesting Period for Minimum Stock Price Average

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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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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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- Definition

Aggregate cash paid by the entity during the period to settle equity 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

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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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 equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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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 number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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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.

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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

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.

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No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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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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Stock-Based Compensation - Additional Information (Details)		12 Months Ended
	May 22, 2015 USD ($) director shares	Dec. 31, 2016 USD ($) plan $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock-based compensation award plans \| plan		4
Options expiration term		10 years
Award vesting period		4 years
Number of stock-based compensation awards consisting of stock options and restricted stock outstanding (in shares)		134,568
Aggregate intrinsic value (less than .1 million in 2015) \| $		$ 0	$ 100,000
Intrinsic value of options exercised in period (less than) \| $		$ 100,000	$ 100,000
Grants in period, weighted average grant date fair value (dollars per share) \| $ / shares		$ 3.60	$ 6.00
Stock compensation expense \| $		$ 800,000	$ 1,700,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period, shares (in shares)		(4,500)	131,455
Stock compensation expense \| $		$ 200,000	$ 400,000
Tax benefit from stock-based compensation expense \| $		100,000	100,000
Total unrecognized compensation expense related to non-vested stock \| $		$ 300,000
Total unrecognized compensation expense related to non-vested stock, period of recognition		1 year 10 months 24 days
Stock-based compensation capitalized \| $		$ 0	$ 0
Performance-based Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period, shares (in shares)		0	2,455
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense \| $		$ 600,000	$ 1,300,000
Tax benefit from stock-based compensation expense \| $		200,000	500,000
Total unrecognized compensation expense related to non-vested stock \| $		$ 1,100,000
Total unrecognized compensation expense related to non-vested stock, period of recognition		3 years 8 months 12 days
Stock-based compensation capitalized \| $		$ 0	$ 0
Vested (in shares)		34,310	86,899
Forfeited (in shares)		9,773	104,167
Total fair value of shares vested in period \| $		$ 800,000	$ 3,400,000
Number of shares granted (in shares)		7,730	172,452
Performance-based Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period, shares (in shares)		0	126,466
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)		0	272,533
Share-based Compensation Award, Tranche One \| Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of options that vest if minimum trading period price is reached		50.00%
Vesting period for minimum stock price average		30 days
Minimum average share price for vesting (in usd per share) \| $ / shares		$ 80
Share-based Compensation Award, Tranche Two \| Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of options that vest if minimum trading period price is reached		50.00%
Vesting period for minimum stock price average		30 days
Minimum average share price for vesting (in usd per share) \| $ / shares		$ 120
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of New Directors \| director	3
Director \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (in shares)	22,535
Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards \| $	$ 1,000,000
Forfeited (in shares)	86,682
Directors Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		0
Stock Incentive Plan 2000
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		0
Stock Incentive Plan 2005
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		0
Stock Incentive Plan 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		0
Stock Incentive Plan 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		226,136
Number of stock-based compensation awards consisting of stock options and restricted stock outstanding (in shares)		232,065
Number of shares authorized to award		600,000
Stock Incentive Plan 2011 \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options expiration term		10 years
Award vesting period		3 years
Stock Incentive Plan 2011 \| Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)			300,000