Look back period used to estimate expected volatility of stock option grants

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- Definition

Purchase price of shares issued under employee stock purchase plan.

+ References

No definition available.

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- Definition

Reduction in shares available for future grant

+ References

No definition available.

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- Definition

Remaining contract life of exercisable stock option.

+ References

No definition available.

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- Definition

Remaining contract life of outstanding stock options.

+ References

No definition available.

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- References

No definition available.

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

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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.

+ References

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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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

The aggregate cash inflow comprised of the amount received from (a) employees to acquire the entity's shares under incentive awards, including stock option exercises and restricted stock arrangements, and (b) the excess tax benefit arising from such transactions.

+ References

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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- References

No definition available.

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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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- 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.

+ References

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- References

No definition available.

+ Details

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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

+ Details

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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).

+ References

+ Details

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- Definition

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

+ References

+ Details

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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.

+ References

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- References

No definition available.

+ Details

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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.

+ References

+ Details

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- Definition

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

+ References

+ Details

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

+ References

+ Details

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- Definition

Number of shares for which recognition of compensation cost was accelerated.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Share-Based Compensation (Details Textual) - USD ($)	4 Months Ended	8 Months Ended	12 Months Ended
Share-Based Compensation (Details Textual) - USD ($)	Apr. 22, 2016	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2015
Minimum Payout [Member] \| Restricted Stock Units (RSUs) [Member]
Restricted Stock Awards [Abstract]
Vesting period			1 year
Maximum Payout [Member] \| Restricted Stock Units (RSUs) [Member]
Restricted Stock Awards [Abstract]
Vesting period			5 years
Successor [Member]
Stock-Based Compensation Plan
Proceeds and Excess Tax Benefit from Share-based Compensation		$ 0	$ 0
Share-based compensation expenses		3,618,000	6,849,000
Share-based compensation (capitalized)		$ 0	$ 200,000
Shares available for future grant under stock compensation plans			549,665
Number of shares issued under employee stock purchase plan		0	1,403,508
Employee Savings Plan [Abstract]
Employee Savings Plan, Employer Matching Contribution, Percent			100.00%
Employee Savings Plan, Maximum Annual Contribution Per Employee, Percent		2.00%	6.00%
Employee Savings Plan, Employer Discretionary Contribution Amount		$ 300,000	$ 500,000
Successor [Member] \| General and Administrative Expense [Member]
Stock-Based Compensation Plan
Share-based compensation expenses		3,600,000	6,800,000
Successor [Member] \| Operating Lease Expense [Member]
Stock-Based Compensation Plan
Share-based compensation expenses		$ 0	0
Successor [Member] \| Employee Stock Option [Member]
Stock Option Awards
Look back period used to estimate expected volatility of stock option grants		6 years
Unrecognized compensation cost related to stock awards			5,200,000
Outstanding stock options aggregate intrinsic value			$ 1,700,000
Remaining contract life of outstanding stock options.			6 years 11 months
Remaining contract life of exercisable stock option			2 years
Intrinsic value of exercised stock option			$ 600,000
Restricted Stock Units [Abstract]
Accelerated share compensation expense		$ 700,000
Accelerated vesting number of awards		60,847
Successor [Member] \| Restricted Stock Awards [Member]
Stock-Based Compensation Plan
Reduction in shares available for future grant by restricted stock			1.00
Successor [Member] \| Restricted Stock Units (RSUs) [Member]
Stock Option Awards
Unrecognized compensation cost related to stock awards			$ 7,100,000
Restricted Stock Awards [Abstract]
Weighted average recognition period of cost related to stock awards			2 years 10 months
Restricted Stock Units [Abstract]
Restricted stock units granted			326,532
Accelerated share compensation expense		$ 1,600,000
Accelerated vesting number of awards		76,058
Restricted stock units vested			141,818
Employee Savings Plan [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 28.21
Successor [Member] \| Minimum Payout [Member] \| Employee Stock Option [Member]
Restricted Stock Awards [Abstract]
Vesting period			1 year
Successor [Member] \| Maximum Payout [Member] \| Employee Stock Option [Member]
Restricted Stock Awards [Abstract]
Vesting period			5 years
Predecessor [Member]
Stock-Based Compensation Plan
Proceeds and Excess Tax Benefit from Share-based Compensation	$ 0
Share-based compensation expenses	886,000			$ 4,435,000
Share-based compensation (capitalized)	$ 200,000			$ 1,400,000
Number of shares issued under employee stock purchase plan	0			87,629
Purchase price of shares issued under employee stock purchase plan				$ 3.44
Employee Savings Plan [Abstract]
Employee Savings Plan, Employer Discretionary Contribution Amount				$ 700,000
Predecessor [Member] \| General and Administrative Expense [Member]
Stock-Based Compensation Plan
Share-based compensation expenses	$ 900,000			4,400,000
Predecessor [Member] \| Operating Lease Expense [Member]
Stock-Based Compensation Plan
Share-based compensation expenses	$ 0			200,000
Predecessor [Member] \| Employee Stock Option [Member]
Stock Option Awards
Intrinsic value of exercised stock option				$ 0
Predecessor [Member] \| Restricted Stock Awards [Member]
Restricted Stock Awards [Abstract]
Number of shares issued to employees, consultants and directors				609,238
Grant date fair value of shares vested				$ 6,100,000
Employee Savings Plan [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value				$ 2.64
Predecessor [Member] \| Restricted Stock Units (RSUs) [Member]
Restricted Stock Awards [Abstract]
Number of shares issued to employees, consultants and directors				216,450
Restricted Stock Units [Abstract]
Performance Period for RSUs				3 years
Restricted stock units vested				0
Employee Savings Plan [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value				$ 1.98
Predecessor [Member] \| Cash-settled Restricted Stock Unit (RSUs) [Member]
Restricted Stock Units [Abstract]
Restricted stock units granted				147,812
Performance Period for RSUs				1 year