Business Combination, Common Stock Conversion, Aggregate Cash Conversion

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- Definition

Business Combination, Common Stock Conversion, Cash Conversion

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No definition available.

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- Definition

Sale of Stock, Stock Dividend, Per Share

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No definition available.

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- Definition

This element represents the percentage of the stock-based award which will vest at the end of year one.

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No definition available.

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- Definition

This element represents the percentage of the stock-based award which will vest at the end of year two.

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No definition available.

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- Definition

The weighted average fair value at grant date for equity-based awards issued and vested 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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No definition available.

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- Definition

Represents the payout percentage based upon the performance during the performance period.

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk-free Rate Term

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No definition available.

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of tax benefit from exercise of option under share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2A
-Subparagraph (a)
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- Definition

Amount of cash inflow from issuance of shares under share-based payment arrangement. Excludes option exercised.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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

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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

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

Net number of non-option equity instruments granted to participants.

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Net number of share options (or share units) granted during the period.

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- Definition

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 Plans - Narrative (Details)				12 Months Ended
Share-Based Compensation Plans - Narrative (Details)	Jan. 01, 2019 shares	Nov. 12, 2018	Nov. 13, 2017 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock dividend (in dollars per share)		0.80
Cash received from exercises of all share-based payment arrangements for employees and directors \| $				$ 0	$ 1,900,000	$ 200,000
Income tax benefit by the exercise of nonqualified employee stock options and vesting of restricted share awards \| $				$ 4,900,000	13,400,000	58,900,000
Rice Merger Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash conversion (in dollars per share) \| $ / shares			$ 5.30
Aggregate cash conversion \| $			$ 13,000,000.0
Value Driver Performance Programs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award requisite service period				1 year
Award vested at end of year one				50.00%
Award vested at end of year two				50.00%
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award requisite service period				36 months
Performance Shares \| 2018 Executive Performance Incentive Program, Liability
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs on non-vested awards \| $				$ 200,000
Number of shares granted (in shares)	124,820
Grant date fair value (in dollars per share) \| $ / shares				$ 11.81
Awards outstanding (in shares)				113,517
Performance Shares \| 2019 Executive Performance Incentive Program, Equity
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs on non-vested awards \| $				$ 100,000
Number of shares granted (in shares)				463,380
Grant date fair value (in dollars per share) \| $ / shares				$ 29.45
Awards outstanding (in shares)				463,380
Performance Shares \| 2019 Executive Performance Incentive Program, Liability
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs on non-vested awards \| $				$ 1,200,000
Number of shares granted (in shares)				255,920
Grant date fair value (in dollars per share) \| $ / shares				$ 14.21
Awards outstanding (in shares)				244,940
Performance Shares \| 2017 Executive Performance Incentive Program, Liability
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value (in dollars per share) \| $ / shares				$ 10.90
Awards outstanding (in shares)	105,018			93,953
Performance Shares \| 2018 Executive Performance Incentive Program, Equity
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value (in dollars per share) \| $ / shares				$ 76.53
Awards outstanding (in shares)	107,340			107,340
Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation plan, award as a percentage of target award level				0.00%
Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation plan, award as a percentage of target award level				300.00%
Performance Share, Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free rate term				3 years
Performance Shares, Liability Awards \| 2018 Incentive Performance Share Unit Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free rate term				1 year
Performance Shares, Liability Awards \| 2019 Incentive Performance Share Unit Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free rate term				2 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs on non-vested awards \| $				$ 2,100,000
Period for recognition				2 years 1 month 6 days
Number of shares granted (in shares)				613,440
Grant date fair value (in dollars per share) \| $ / shares				$ 17.42
Value \| $				$ 11,862,608	$ 39,800,000	$ 123,000,000.0
Awards outstanding (in shares)				310,997	192,782
Restricted Stock \| Rice Merger Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)			2,290,234
Grant date fair value (in dollars per share) \| $ / shares						$ 65.18
Restricted Stock \| Key Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)				613,440	145,540	85,350
Period after which the shares granted will be fully vested				3 years
Grant date fair value (in dollars per share) \| $ / shares				$ 17.42	$ 54.33	$ 63.00
Restricted Stock Units, Liability
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)				686,350	373,750	292,400
Period after which the shares granted will be fully vested				3 years
Awards outstanding (in shares)				741,819
Deferred compensation liability \| $				$ 4,400,000	$ 6,900,000	$ 8,800,000
Non-qualified Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs on non-vested awards \| $				$ 100,000
Granted (in shares)				779,300
Weighted average remaining contractual term, outstanding				5 years 11 months 8 days
Non-employee Directors' Share-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)				259,443
Shares granted (in shares)				146,790	50,979	26,090
Weighted average fair value, granted (in dollars per share) \| $ / shares				$ 18.11	$ 52.65	$ 65.35