XML 43 R43.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Acquisitions and Divestitures - Dynamic Acquisition - Unaudited Pro Forma Results of Operations (Parenthetical) (Details) (Dynamic Acquisition, USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012
Dynamic Acquisition |
Business Acquisition [Line Items] |
Business combination, acquisition related costs, pro forma adjustment | $ 2.5
Fees to secure financing for acquisition, pro forma adjustment | $ 10.9

X
- Definition Business Combination, Acquisition Related Costs, Pro Forma Adjustment + References No definition available. + Details
Name: | sd_BusinessCombinationAcquisitionRelatedCostsProFormaAdjustment
Namespace Prefix: | sd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fees To Secure Financing For Acquisition, Pro Forma Adjustment + References No definition available. + Details
Name: | sd_FeesToSecureFinancingForAcquisitionProFormaAdjustment
Namespace Prefix: | sd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration