Number Of Stock Based Employee Compensation Plans

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Installment Number

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No definition available.

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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, shown as a percentage of the original share amount.

+ 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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- 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.

+ References

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- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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- Definition

Additional share-based compensation cost recognized as a result of an occurrence of an event that accelerates its recognition.

+ References

No definition available.

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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 weighted average fair value at grant date for nonvested equity-based awards issued 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 non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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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

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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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

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

Percentage of vesting of share-based compensation awards.

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- Definition

Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options.

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No definition available.

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- Definition

Number of non-vested options outstanding.

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- Definition

Value, before forfeitures, of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP).

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No definition available.

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STOCK-BASED COMPENSATION - Narrative (Details) $ / shares in Units, $ in Thousands		12 Months Ended
	Sep. 11, 2017 USD ($) installment shares	Dec. 31, 2017 USD ($) plan $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award
Number of stock-based employee compensation plans \| plan		2
Non-cash stock-based compensation expense \| $		$ 8,400	$ 8,800	$ 6,300
Total unrecognized compensation cost related to non-vested stock awards \| $		$ 16,700
Weighted average period over which compensation cost related to non-vested stock awards is recognized		1 year 8 months 6 days
Proceeds from exercise of stock options \| $		$ 0	353	1,743
Severance costs \| $		4,500
Severance costs related to acceleration of non-cash stock-based compensation \| $		$ 2,300
Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period		4 years
Time-based stock options
Share-based Compensation Arrangement by Share-based Payment Award
Total intrinsic value of options exercised \| $		$ 0	$ 300	$ 2,000
Options, weighted average grant date fair value (in dollars per share) \| $ / shares		$ 3.50	$ 6.23	$ 15.64
Time-based stock options \| Year 1
Share-based Compensation Arrangement by Share-based Payment Award
Annual vesting percentage		25.00%
Time-based stock options \| Year 2
Share-based Compensation Arrangement by Share-based Payment Award
Annual vesting percentage		25.00%
Time-based stock options \| Year 3
Share-based Compensation Arrangement by Share-based Payment Award
Annual vesting percentage		25.00%
Time-based stock options \| Year 4
Share-based Compensation Arrangement by Share-based Payment Award
Annual vesting percentage		25.00%
Time-based restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock awards outstanding (in shares)		1,039,380	312,245
Intrinsic value of stock based awards other than options \| $		$ 3,800
Time-based restricted stock awards \| Year 1
Share-based Compensation Arrangement by Share-based Payment Award
Annual vesting percentage		33.00%
Time-based restricted stock awards \| Year 2
Share-based Compensation Arrangement by Share-based Payment Award
Annual vesting percentage		33.00%
Time-based restricted stock awards \| Year 3
Share-based Compensation Arrangement by Share-based Payment Award
Annual vesting percentage		33.00%
Performance-based restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock awards outstanding (in shares)		0	101,384
Vesting period		3 years
Intrinsic value of stock based awards other than options \| $		$ 1,400
Performance-based restricted stock awards with a market condition
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock awards outstanding (in shares)		367,150	165,635
Vesting period		3 years
Peer group volatility		34.60%
Risk-free rate		1.46%
Performance-based restricted stock awards with a market condition \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Vesting rights percentage		0.00%
Performance-based restricted stock awards with a market condition \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Vesting rights percentage		200.00%
Market-based Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Peer group volatility		34.20%
Risk-free rate		0.89%
2015 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares authorized for issuance (in shares)		11,500,000.0
Number of shares available for grant (in shares)		4,600,000
2015 Stock Plan \| Time-based restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award
Make-whole restricted stock awards, vested in period (in shares)		388,418
Restricted stock awards outstanding (in shares)		1,039,380	312,245
Vesting period		3 years
Intrinsic value of stock based awards other than options \| $		$ 3,000	$ 3,100	$ 2,400
Weighted average grant date fair value (in dollars per share) \| $ / shares		$ 8.19		$ 45.95
2015 Stock Plan \| Performance-based restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award
Make-whole restricted stock awards, vested in period (in shares)		0
Restricted stock awards outstanding (in shares)		0	101,384
Weighted average grant date fair value (in dollars per share) \| $ / shares		$ 0.00		$ 47.86
2015 Stock Plan \| Performance-based restricted stock awards \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Vesting rights percentage		0.00%
2015 Stock Plan \| Performance-based restricted stock awards \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Vesting rights percentage		200.00%
2015 Stock Plan \| Performance-based restricted stock awards with a market condition
Share-based Compensation Arrangement by Share-based Payment Award
Make-whole restricted stock awards, vested in period (in shares)		0
Restricted stock awards outstanding (in shares)		367,150	165,635
Weighted average grant date fair value (in dollars per share) \| $ / shares		$ 8.03
Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Non-cash stock-based compensation expense \| $		$ 2,600
Chief Executive Officer [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Make-whole restricted stock awards \| $	$ 600
Make-whole restricted stock awards, vested in period (in shares)	67,000
Chief Executive Officer [Member] \| Restricted Stock [Member] \| Year 1
Share-based Compensation Arrangement by Share-based Payment Award
Make-whole restricted stock awards \| $	$ 950
Restricted stock awards outstanding (in shares)	106,000
Chief Executive Officer [Member] \| Restricted Stock [Member] \| Year 2
Share-based Compensation Arrangement by Share-based Payment Award
Make-whole restricted stock awards \| $	$ 1,200
Restricted stock awards outstanding (in shares)	134,000
Award vesting installment number \| installment	3
Chief Executive Officer [Member] \| Restricted Stock [Member] \| Year 3
Share-based Compensation Arrangement by Share-based Payment Award
Make-whole restricted stock awards \| $	$ 1,900
Restricted stock awards outstanding (in shares)	212,000
Award vesting installment number \| installment	3
Chief Executive Officer [Member] \| Time-based stock options \| Year 3
Share-based Compensation Arrangement by Share-based Payment Award
Stock options, nonvested outstanding (in shares)	519,000
Selling, General and Administrative Expenses [Member] \| Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Non-cash stock-based compensation expense \| $		$ 3,300