XML 45 R84.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Proxy Contest (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Other Income and Expenses [Abstract] |  |  |  |
Proxy contest | $ 7,200 | $ 0 | $ 7,139 | $ 0

X
- Definition Professional Fees Expense (Income) + References No definition available. + Details
Name: | sd_ProfessionalFeesExpenseIncome
Namespace Prefix: | sd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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