XML 37 R28.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Property and Equipment (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Property, Plant and Equipment [Abstract] |
Summary of the Company's property and equipment | The following table presents a summary of the Company’s property and equipment balances as of December 31, 2016 and 2015 (in thousands).
|  | December 31,
|  | 2016 |  | 2015
Oil and natural gas properties |  |  |  |
Evaluated (subject to amortization) |  | $ | 2,408,305 |  |  | $ | 2,122,174 |
Unproved and unevaluated (not subject to amortization) |  | 479,736 |  |  | 387,504 |
Total oil and natural gas properties |  | 2,888,041 |  |  | 2,509,678 |
Accumulated depletion |  | (1,850,882 | ) |  | (1,574,040 | )
Net oil and natural gas properties |  | 1,037,159 |  |  | 935,638 |
Other property and equipment |  |  |  |
Midstream equipment and facilities |  | 145,662 |  |  | 78,564 |
Furniture, fixtures and other equipment |  | 5,487 |  |  | 2,918 |
Software |  | 3,206 |  |  | 2,193 |
Land |  | 1,437 |  |  | 1,539 |
Leasehold improvements |  | 5,003 |  |  | 1,173 |
Total other property and equipment |  | 160,795 |  |  | 86,387 |
Accumulated depreciation |  | (13,429 | ) |  | (9,619 | )
Net other property and equipment |  | 147,366 |  |  | 76,768 |
Net property and equipment |  | $ | 1,184,525 |  |  | $ | 1,012,406 |
Breakdown of the Company's unproved and unevaluated property costs not subject to amortization | The following table provides a breakdown of the Company’s unproved and unevaluated property costs not subject to amortization as of December 31, 2016 and the year in which these costs were incurred (in thousands).
Description |  | 2016 |  | 2015 |  | 2014 |  | 2013 and prior |  | Total
Costs incurred for |  |  |  |  |  |  |  |  |  |
Property acquisition |  | $ | 126,857 |  |  | $ | 236,507 |  |  | $ | 55,258 |  |  | $ | 23,654 |  |  | $ | 442,276 |
Exploration wells |  | 19,017 |  |  | 3,375 |  |  | 34 |  |  | — |  |  | 22,426 |
Development wells |  | 13,086 |  |  | 1,218 |  |  | 730 |  |  | — |  |  | 15,034 |
Total |  | $ | 158,960 |  |  | $ | 241,100 |  |  | $ | 56,022 |  |  | $ | 23,654 |  |  | $ | 479,736 |

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 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(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the capitalized costs of unproved properties and major development projects that are excluded from capitalized costs being amortized. This includes the total costs excluded and, at a minimum, these categories of costs: acquisition costs, exploration costs, development costs in the case of significant development projects, and capitalized interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(7)(ii)) -URI http://asc.fasb.org/extlink&oid=50486907&loc=d3e511914-122862 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(a)(32)) -URI http://asc.fasb.org/extlink&oid=50486907&loc=d3e511914-122862 + Details
Name: | us-gaap_ScheduleOfCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration