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v3.19.2

Income Taxes - Narrative (Details) | 6 Months Ended
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Jun. 30, 2019
Minimum |
Income Taxes |
Number of tax years open for state tax audit (in years) | 3 years
Maximum |
Income Taxes |
Number of tax years open for state tax audit (in years) | 5 years

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- Definition Income Taxes [Line Items] + References No definition available. + Details
Name: | sd_IncomeTaxesLineItems
Namespace Prefix: | sd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Taxable Years Open For Tax Audit + References No definition available. + Details
Name: | sd_NumberOfTaxableYearsOpenForTaxAudit
Namespace Prefix: | sd_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |