XML 30 R9.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Accounts Receivable and Accounts Payable and Accrued Expenses | 12 Months Ended
--- | ---
Dec. 31, 2017
Accounts Receivable and Accounts Payable and Accrued Expenses [Abstract] |
Accounts Receivable and Accounts Payable and Accrued Expenses [Text Block] | Note 2 – Accounts Receivable and Accounts Payable and Accrued Expenses Accounts receivable are comprised of the following accruals:
| As of December 31,
| 2017 |  | 2016
| (in thousands)
Oil, gas, and NGL production revenue | $ | 96,610 |  |  | $ | 96,101 |
Amounts due from joint interest owners | 56,929 |  |  | 29,669 |
State severance tax refunds | 2,276 |  |  | 15,320 |
Derivative settlements | 99 |  |  | 6,512 |
Other | 4,240 |  |  | 4,348 |
Total accounts receivable | $ | 160,154 |  |  | $ | 151,950 |
Accounts payable and accrued expenses are comprised of the following accruals:
| As of December 31,
| 2017 |  | 2016
| (in thousands)
Capital expenditures | $ | 164,620 |  |  | $ | 107,009 |
Revenue and severance tax payable | 60,328 |  |  | 39,617 |
Lease operating expense | 22,078 |  |  | 15,956 |
Property taxes | 13,222 |  |  | 6,606 |
Compensation | 39,471 |  |  | 34,761 |
Derivative settlements | 12,644 |  |  | 6,473 |
Interest | 45,057 |  |  | 45,059 |
Other | 29,210 |  |  | 44,227 |
Total accounts payable and accrued expenses | $ | 386,630 |  |  | $ | 299,708 |

X
- Definition Accounts Receivable and Accounts Payable and Accrued Expenses [Abstract] + References No definition available. + Details
Name: | sm_AccountsReceivableAndAccountsPayableAndAccruedExpensesAbstract
Namespace Prefix: | sm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for accounts receivable and accounts payable and accrued expenses. [Text Block] + References No definition available. + Details
Name: | sm_AccountsReceivableAndAccountsPayableAndAccruedExpensesTextBlock
Namespace Prefix: | sm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration