XML 41 R25.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Fair Value Measurements Fair Value Measurements (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2016
Fair Value Disclosures [Abstract] |
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] | The following table is a listing of the Company’s assets and liabilities that are measured at fair value in the accompanying balance sheets and where they are classified within the fair value hierarchy as of June 30, 2016:
| Level 1 |  | Level 2 |  | Level 3
| (in thousands)
Assets: |  |  |  |  |  |  |  |
Derivatives (1) | $ | — |  |  | $ | 258,695 |  |  | $ | — |
Total property and equipment, net (2) | $ | — |  |  | $ | — |  |  | $ | 99,944 |
Liabilities: |  |  |  |  |  |  |  |
Derivatives (1) | $ | — |  |  | $ | 168,152 |  |  | $ | — |
Net Profits Plan (1) | $ | — |  |  | $ | — |  |  | $ | 9,476 |
____________________________________________ (1) This represents a financial asset or liability that is measured at fair value on a recurring basis. (2) This represents a non-financial asset that is measured at fair value on a nonrecurring basis. The following table is a listing of the Company’s assets and liabilities that are measured at fair value in the accompanying balance sheets and where they were classified within the fair value hierarchy as of December 31, 2015:
| Level 1 |  | Level 2 |  | Level 3
| (in thousands)
Assets: |  |  |  |  |
Derivatives (1) | $ | — |  |  | $ | 488,411 |  |  | $ | — |
Total property and equipment, net (2) | $ | — |  |  | $ | — |  |  | $ | 124,813 |
Liabilities: |  |  |  |  |
Derivatives (1) | $ | — |  |  | $ | 8 |  |  | $ | — |
Net Profits Plan (1) | $ | — |  |  | $ | — |  |  | $ | 7,611 |
____________________________________________ (1) This represents a financial asset or liability that is measured at fair value on a recurring basis. (2) This represents a non-financial asset that is measured at fair value on a nonrecurring basis.
Net Profit Plan Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] | The following table reflects the activity for the Company’s Net Profits Plan liability measured at fair value using Level 3 inputs:
| For the Six Months Ended June 30, 2016
| (in thousands)
Beginning balance | $ | 7,611 |
Net increase in liability (1) | 4,042 |
Net settlements (1) (2) | (2,177 | )
Transfers in (out) of Level 3 | — |
Ending balance | $ | 9,476 |
____________________________________________
(1) | Net changes in the Company’s Net Profits Plan liability are shown in the Change in Net Profits Plan liability line item of the accompanying statements of operations.
(2) | Settlements represent cash payments made or accrued under the Net Profits Plan.
Long Term Debt Fair Value [Table Text Block] | The following table reflects the fair value of the Senior Notes measured using Level 1 inputs based on quoted secondary market trading prices. The Senior Notes were not presented at fair value on the accompanying balance sheets as of June 30, 2016, or December 31, 2015, as they were recorded at carrying value, net of unamortized deferred financing costs. Please refer to Note 5 - Long-Term Debt for discussion of the Company’s repurchase of a portion of its Senior Notes during the first quarter of 2016.
| As of June 30, 2016 |  | As of December 31, 2015
| Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
| (in thousands)
6.50% Senior Notes due 2021 | $ | 346,955 |  |  | $ | 328,091 |  |  | $ | 350,000 |  |  | $ | 262,938 |
6.125% Senior Notes due 2022 | 561,796 |  |  | 516,852 |  |  | 600,000 |  |  | 440,250 |
6.50% Senior Notes due 2023 | 394,985 |  |  | 366,349 |  |  | 400,000 |  |  | 296,000 |
5.0% Senior Notes due 2024 | 500,000 |  |  | 426,875 |  |  | 500,000 |  |  | 334,065 |
5.625% Senior Notes due 2025 | 500,000 |  |  | 433,125 |  |  | 500,000 |  |  | 326,875 |
Total Senior Notes | $ | 2,303,736 |  |  | $ | 2,071,292 |  |  | $ | 2,350,000 |  |  | $ | 1,660,128 |

X
- Definition Long Term Debt Fair Value [Table Text Block] + References No definition available. + Details
Name: | sm_LongTermDebtFairValueTableTextBlock
Namespace Prefix: | sm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=66048111&loc=SL7498348-110258 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration