v3.3.0.814

Equity-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 6 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 12, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Number of units |  |  |  |  |  |  |  |
Total awarded and unvested at the beginning of the period (in shares) |  |  |  | 2,381,440 |  |  |  |
Granted (in shares) |  |  |  | 12,057 |  |  | 2,381,440 |
Total awarded and unvested at the end of the period (in shares) |  | 2,345,137 |  | 2,345,137 |  | 2,345,137 | 2,381,440 |
Weighted average grant date fair value |  |  |  |  |  |  |  |
Total awarded and unvested at the beginning of the period (in dollars per unit) |  |  |  | $ 29.00 | $ 29.00 |  | $ 29.00 |
Granted (in dollars per unit) |  |  |  | 24.88 |  |  | 29.00 |
Total awarded and unvested at the end of the period (in dollars per unit) |  | $ 28.98 |  | $ 28.98 |  | $ 28.98 | $ 29.00 | $ 29.00
Aggregate intrinsic value |  |  |  |  |  |  |  |
Total awarded and unvested at the beginning of the period |  |  |  | $ 65,490 | $ 65,490 |  | $ 65,490 |
Total awarded and unvested at the end of the period |  | $ 67,165 |  | 67,165 |  | $ 67,165 | 65,490 | $ 65,490
Additional disclosures |  |  |  |  |  |  |  |
Allocated Share-based Compensation Expense |  | $ 6,597 | $ 3,339 | $ 12,376 | $ 5,281 |  |  |
Number of stock-based compensation awards authorized | 10,000,000 |  |  |  |  |  |  |
Unamortized expense |  |  |  |  |  |  | $ 66,700 |
Weighted average period for recognizing unrecognized stock-based compensation expense |  |  |  |  |  |  | 3 years 9 months 18 days |
Midstream LTIP |  |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |  |
Number of stock-based compensation awards authorized |  | 10,000,000 |  | 10,000,000 |  | 10,000,000 | 10,000,000 |
Number of shares available for future grant under the Plan |  | 7,654,863 |  | 7,654,863 |  | 7,654,863 | 7,618,560 |
Phantom share units |  |  |  |  |  |  |  |
Number of units |  |  |  |  |  |  |  |
Granted (in shares) | 2,361,440 |  |  |  |  | 12,057 |  |
Restricted stock awards |  |  |  |  |  |  |  |
Number of units |  |  |  |  |  |  |  |
Granted (in shares) | 20,000 |  |  |  |  |  |  |
Antero |  |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |  |
Allocated Share-based Compensation Expense |  |  |  |  |  |  | $ 11,600 | $ 24,300
Unamortized equity-based compensation expense |  |  |  |  |  |  | $ 208,500 |

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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. + References Reference 1: 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.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + 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 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 + 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 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 + Details
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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. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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). + 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)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + 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=6415400&loc=d3e5070-113901 + Details
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