Percent of payout for performance based restricted stock unit grants

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Required stock price for payout on performance based restricted stock units

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Amount of decrease in additional paid in capital (APIC) resulting from a tax deficiency associated with a share-based compensation plan other than an employee stock ownership plan (ESOP).

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No definition available.

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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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-SubTopic 10

-Section 50

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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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

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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No definition available.

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- Definition

Fair value of obligations measured on a recurring basis.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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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

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.

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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 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

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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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

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

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

+ References

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- Definition

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

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently 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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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share-Based Compensation (Details Textual) - USD ($)		3 Months Ended		9 Months Ended
Share-Based Compensation (Details Textual) - USD ($)	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Share-Based Compensation (Details Textual)
Tax shortfall in earnings related to share-based compensation		$ 0	$ 200,000	$ 1,400,000	$ 2,100,000
Stock-based compensation expenses				3,288,000	5,571,000
Share-based compensation (capitalized)		$ 400,000	900,000	$ 1,000,000	2,900,000
Employee Stock Option [Member]
Share-Based Compensation (Details Textual)
Expired stock option awards				(1,800)
Options outstanding, end of period, shares	1,330,390	1,330,390		1,330,390
Stock option awards exercisable aggregate intrinsic value	$ 0	$ 0		$ 0
Stock option awards outstanding aggregate intrinsic value	0	0		0
Stock option award unrecognized compensation cost	$ 0	$ 0		$ 0
Remaining contract life of outstanding stock options	4 years
Remaining contract life of exercisable stock options	4 years
Restricted Stock Awards [Member]
Restricted stock activity
Restricted shares outstanding, beginning of period, shares				1,414,012
Restricted shares outstanding, beginning of period, weighted average price				$ 14.81
Restricted shares granted, shares				609,238
Restricted shares granted, weighted average price				$ 2.64
Restricted shares canceled, shares				(222,057)
Restricted shares canceled, weighted average price				$ 13.84
Restricted shares vested, shares				(242,567)
Restricted shares vested, weighted average price				$ 21.66
Restricted shares outstanding, end of period, shares	1,558,626	1,558,626		1,558,626
Restricted shares outstanding, end of period, weighted average price	$ 9.12	$ 9.12		$ 9.12
Share-Based Compensation (Details Textual)
Unrecognized compensation cost for stock grants	$ 4,900,000	$ 4,900,000		$ 4,900,000
Weighted average remaining recognition period of cost for stock grants				1 year 5 months
Grant date fair value of shares vested				$ 5,300,000
Restricted Stock Units (RSUs) [Member]
Restricted stock activity
Restricted shares outstanding, beginning of period, shares				374,950
Restricted shares outstanding, beginning of period, weighted average price				$ 13.36
Restricted shares granted, shares				216,450
Restricted shares granted, weighted average price				$ 1.98
Restricted shares canceled, shares				0
Restricted shares canceled, weighted average price				$ 0.00
Restricted shares vested, shares				0
Restricted shares vested, weighted average price				$ 0.00
Restricted shares outstanding, end of period, shares	591,400	591,400		591,400
Restricted shares outstanding, end of period, weighted average price	$ 9.20	$ 9.20		$ 9.20
Share-Based Compensation (Details Textual)
Restricted Stock Awards Vesting Term				3 years
Unrecognized compensation cost for stock grants	$ 1,100,000	$ 1,100,000		$ 1,100,000
Weighted average remaining recognition period of cost for stock grants				1 year 7 months
Required stock price for payout on performance based restricted stock units				$ 5.22
Percent of payout for performance based restricted stock unit grants				100.00%
Cash-settled Restricted Stock Unit (RSUs) [Member]
Restricted stock activity
Restricted shares granted, shares				147,812
Share-Based Compensation (Details Textual)
Restricted Stock Awards Vesting Term				1 year
Cash-Settled Restricted Stock Unit Liability	$ 100,000	100,000		$ 100,000
Minimum [Member] \| Restricted Stock Awards [Member]
Share-Based Compensation (Details Textual)
Restricted Stock Awards Vesting Term				1 year
Minimum [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Compensation (Details Textual)
Percent of payout for performance based restricted stock unit grants				0.00%
Maximum Payout [Member] \| Restricted Stock Awards [Member]
Share-Based Compensation (Details Textual)
Restricted Stock Awards Vesting Term				3 years
Maximum Payout [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Compensation (Details Textual)
Percent of payout for performance based restricted stock unit grants				200.00%
General and Administrative Expense [Member]
Share-Based Compensation (Details Textual)
Stock-based compensation expenses		1,100,000	1,700,000	$ 3,100,000	5,100,000
Lease Operating Cost [Member]
Share-Based Compensation (Details Textual)
Stock-based compensation expenses		$ 100,000	$ 100,000	$ 100,000	$ 200,000