Performance-based RSU performance period in years over which the vesting conditions are measured

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- Definition

Phantom stock performance period in years over which the vesting conditions are measured

+ References

No definition available.

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- Definition

Registration Statement, Amount Available for Equity or Debt Offerings

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- Definition

Registration Statement, Stated Maximum Amount Available for Equity or Debt Offerings

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Basis for Determining Award on Individual Performance Factors, Percentage

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Basis for Determining Award on Market Factors, Percentage

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Estimated Achievement Level, Percentage

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Actual Achievement Level, Percentage

+ 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

+ References

No definition available.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

No definition available.

+ Details

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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.

+ 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 (a)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: 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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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

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-Name Accounting Standards Codification
-Topic 505
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Equity Transactions and Stock-Based Compensation Plans (Narrative - Quarterly Disclosures) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Apr. 30, 2016	May 15, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Registration Statement, Stated Maximum Amount Available for Equity or Debt Offerings							$ 300
Registration Statement, Amount Available for Equity or Debt Offerings	$ 300			$ 300
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period				3 years
Expiration Period				10 years
Options Exercised, Shares		0	39,600	46,804	196,100
Options, Exercises in Period, Weighted Average Exercise Price			$ 3.84	$ 3.92	$ 3.84
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period	1 year
Equity Instruments Other than Options, Grants in Period				166,664	47,296
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value				$ 2.76	$ 7.40
Restricted Stock Units (RSUs) [Member] \| Time-Based RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period				3 years
Equity Instruments Other than Options, Grants in Period	28,500		0	260,334	151,919
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 2.88		$ 0.00	$ 1.48	$ 4.08
Restricted Stock Units (RSUs) [Member] \| Performance-Based RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period				39 months
Performance-based RSU performance period				3 years
Equity Instruments Other than Options, Grants in Period	0		145,107	0	439,773
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 0.00		$ 8.34	$ 0.00	$ 5.76
Restricted Stock Units (RSUs) [Member] \| Performance-Based RSUs, 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Award, Estimated Achievement Level, Percentage	100.00%			100.00%
Basis for Determining Award on Market Factors, Percentage				50.00%
Basis for Determining Award on Individual Performance Factors Percentage				50.00%
Restricted Stock Units (RSUs) [Member] \| Performance-Based RSUs, 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Award, Estimated Achievement Level, Percentage	80.00%			80.00%
Basis for Determining Award on Market Factors, Percentage				50.00%
Basis for Determining Award on Individual Performance Factors Percentage				50.00%
Restricted Stock Units (RSUs) [Member] \| Performance-Based RSUs, 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Award, Actual Achievement Level, Percentage						72.00%
Phantom Share Units (PSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award Vesting Period				39 months
Phantom Shares Performance Period				3
Basis for Determining Award on Market Factors, Percentage				50.00%
Basis for Determining Award on Individual Performance Factors Percentage				50.00%
Equity Instruments Other than Options, Grants in Period				1,268,068