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Condensed Consolidating Financial Information - Condensed Consolidating Statements of Cash Flows of SandRidge Energy, Inc. and Wholly Owned Subsidiary Guarantors and Non-Guarantors' (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items] |  |  |
Net cash (used in) provided by operating activities | $ 783,160 | $ 458,954 | $ 380,894
Cash flows from investing activities |  |  |
Capital expenditures for property, plant and equipment | (2,146,372) | (1,727,106) | (1,035,137)
Acquisitions, net of cash received | (840,740) | (34,628) | (138,428)
Proceeds from sale of assets | 431,167 | 859,405 | 204,951
Deposit received on pending asset sale | 0 | 0 | 10,000
Other | 0 | (34,628) | 15,095
Net cash used in investing activities | (2,555,945) | (902,329) | (953,519)
Cash flows from financing activities |  |  |
Proceeds from borrowings | 1,850,344 | 2,033,000 | 2,117,914
Repayments of borrowings | (366,029) | (2,130,293) | (1,789,919)
Proceeds from issuance of convertible perpetual preferred stock, net | 0 | (231) | 290,704
Proceeds from issuance of royalty trust units | 587,086 | 917,528 | 0
Proceeds from the sale of royalty trust units | 139,360 | 0 | 0
Distributions to owners | 181,727 | 60,200 |
Dividends paid - preferred | (55,525) | (56,742) | (28,525)
Other | (98,639) | (58,100) | (48,072)
Net cash provided by financing activities | 1,874,870 | 645,193 | 570,627
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 102,085 | 201,818 | (1,998)
CASH AND CASH EQUIVALENTS, beginning of year | 207,681 | 5,863 | 7,861
CASH AND CASH EQUIVALENTS, end of year | 309,766 | 207,681 | 5,863
Parent |  |  |
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items] |  |  |
Net cash (used in) provided by operating activities | (659,881) | 413,954 | (442,955)
Cash flows from investing activities |  |  |
Capital expenditures for property, plant and equipment | 0 | 0 | 0
Acquisitions, net of cash received | (693,091) |  | (138,428)
Proceeds from sale of assets | 129,830 | 0 | 0
Other | (61,343) | 0 | 0
Net cash used in investing activities | (624,604) | 0 | (138,428)
Cash flows from financing activities |  |  |
Proceeds from borrowings | 1,850,344 | 2,033,000 | 2,117,914
Repayments of borrowings | (350,000) | (2,123,000) | (1,777,914)
Proceeds from issuance of convertible perpetual preferred stock, net |  |  | 290,704
Proceeds from issuance of royalty trust units | 0 | 0 |
Proceeds from the sale of royalty trust units | 0 |  |
Distributions to owners | 0 | 0 |
Dividends paid - preferred | (55,525) | (56,742) |
Other | (64,121) | (64,638) | (48,219)
Net cash provided by financing activities | 1,380,698 | (211,380) | 582,485
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 96,213 | 202,574 | 1,102
CASH AND CASH EQUIVALENTS, beginning of year | 204,015 | 1,441 | 339
CASH AND CASH EQUIVALENTS, end of year | 300,228 | 204,015 | 1,441
Guarantors |  |  |
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items] |  |  |
Net cash (used in) provided by operating activities | 1,073,816 | (49,065) | 814,300
Cash flows from investing activities |  |  |
Capital expenditures for property, plant and equipment | (2,112,547) | (1,726,131) | (1,032,316)
Acquisitions, net of cash received | (147,649) |  | 0
Proceeds from sale of assets | 942,675 | 1,776,907 | 204,861
Other | 278,708 | (2,074) | 18,595
Net cash used in investing activities | (1,038,813) | 48,702 | (808,860)
Cash flows from financing activities |  |  |
Proceeds from borrowings | 0 | 0 | 0
Repayments of borrowings | 0 | (6,302) | (11,073)
Proceeds from issuance of convertible perpetual preferred stock, net |  |  | 0
Proceeds from issuance of royalty trust units | 0 | 0 |
Proceeds from the sale of royalty trust units | 0 |  |
Distributions to owners | 0 | 0 |
Dividends paid - preferred | 0 | 0 |
Other | (34,518) | 6,538 | 3,356
Net cash provided by financing activities | (34,518) | 236 | (7,717)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 485 | (127) | (2,277)
CASH AND CASH EQUIVALENTS, beginning of year | 437 | 564 | 2,841
CASH AND CASH EQUIVALENTS, end of year | 922 | 437 | 564
Non-Guarantors |  |  |
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items] |  |  |
Net cash (used in) provided by operating activities | 298,630 | 106,483 | 9,549
Cash flows from investing activities |  |  |
Capital expenditures for property, plant and equipment | (33,825) | (975) | (2,821)
Acquisitions, net of cash received | (587,086) |  | 0
Proceeds from sale of assets | 1,333 | 26 | 90
Other | 0 | (917,528) | 0
Net cash used in investing activities | (619,578) | (918,477) | (2,731)
Cash flows from financing activities |  |  |
Proceeds from borrowings | 0 | 0 | 0
Repayments of borrowings | (16,029) | (991) | (932)
Proceeds from issuance of convertible perpetual preferred stock, net |  |  | 0
Proceeds from issuance of royalty trust units | 587,086 | 917,528 |
Proceeds from the sale of royalty trust units | 0 |  |
Distributions to owners | 274,980 | 96,664 |
Dividends paid - preferred | 0 | 0 |
Other | 30,258 | (8,508) | (6,709)
Net cash provided by financing activities | 326,335 | 811,365 | (7,641)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 5,387 | (629) | (823)
CASH AND CASH EQUIVALENTS, beginning of year | 3,229 | 3,858 | 4,681
CASH AND CASH EQUIVALENTS, end of year | 8,616 | 3,229 | 3,858
Eliminations |  |  |
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items] |  |  |
Net cash (used in) provided by operating activities | 70,595 | (12,418) | 0
Cash flows from investing activities |  |  |
Capital expenditures for property, plant and equipment | 0 | 0 | 0
Acquisitions, net of cash received | 587,086 |  | 0
Proceeds from sale of assets | (642,671) | (917,528) | 0
Other | (217,365) | 884,974 | (3,500)
Net cash used in investing activities | (272,950) | (32,554) | (3,500)
Cash flows from financing activities |  |  |
Proceeds from borrowings | 0 | 0 | 0
Repayments of borrowings | 0 | 0 | 0
Proceeds from issuance of convertible perpetual preferred stock, net |  |  | 0
Proceeds from issuance of royalty trust units | 0 | 0 |
Proceeds from the sale of royalty trust units | 139,360 |  |
Distributions to owners | (93,253) | (36,464) |
Dividends paid - preferred | 0 | 0 |
Other | (30,258) | 8,508 | 3,500
Net cash provided by financing activities | 202,355 | 44,972 | 3,500
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 0 | 0 | 0
CASH AND CASH EQUIVALENTS, beginning of year | 0 | 0 | 0
CASH AND CASH EQUIVALENTS, end of year | $ 0 | $ 0 | $ 0

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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18, 19, 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3095-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3098-108585 + Details
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- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 16 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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