Other (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 0 Months Ended | 0 Months Ended | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Jun. 30, 2013
Reagan and Upton Counties Acreage Purchase [Member]
acre
|
Sep. 30, 2012
Borden County Acreage Purchase [Member]
acre
|
Mar. 31, 2012
Borden County Acreage Purchase [Member]
acre
|
Jun. 30, 2012
Southern Reagan County, Texas [Member]
acre
|
Dec. 31, 2013
Medusa Field [Member]
|
Dec. 31, 2013
Medusa Spar, LLC [Member]
|
Dec. 31, 2013
Medusa Fields, Medusa Spar LLC, And Gulf Of Mexico Shelf Properties [Member]
|
Dec. 31, 2013
Swan Lake Field [Member]
|
Dec. 31, 2012
Habanero Field (Garden Banks Block 341) [Member]
|
Dec. 31, 2011
Callon Entrada [Member]
|
Mar. 07, 2014
Subsequent Event [Member]
|
Dec. 31, 2013
Subsequent Event [Member]
|
Apr. 30, 2012
Cactus 1 Rig [Member]
Permian Basin [Member]
Horizontal Drilling Rig [Member]
|
Apr. 11, 2014
Cactus 1 Rig [Member]
Subsequent Event [Member]
Permian Basin [Member]
Horizontal Drilling Rig [Member]
|
Aug. 01, 2013
Patterson Rig [Member]
Permian Basin [Member]
Horizontal Drilling Rig [Member]
|
Feb. 17, 2014
Patterson Rig [Member]
Subsequent Event [Member]
Permian Basin [Member]
Horizontal Drilling Rig [Member]
|
Feb. 17, 2014
Cactus 2 Rig [Member]
Subsequent Event [Member]
Permian Basin [Member]
Horizontal Drilling Rig [Member]
|
|
Operating Leased Assets [Line Items] | ||||||||||||||||||||
Business Combination, Bargain Purchase, Gain Recognized, Amount | $ 5,041 | |||||||||||||||||||
Gain (Loss) on Sale of Assets and Asset Impairment Charges | (1,707) | (1,177) | 0 | |||||||||||||||||
Contracted drilling rig, term (in years) | 2 years | 2 years | 1 year | 2 years | ||||||||||||||||
Contract Termination Liability | 2,055 | |||||||||||||||||||
Operating lease payments | 12,860 | |||||||||||||||||||
Lease payments in 2012 | 13,954 | |||||||||||||||||||
Lease payments in 2013 | 9,308 | |||||||||||||||||||
Operating Leases, Future Minimum Payments, Due in Three Years | 2,295 | |||||||||||||||||||
Contractual Obligation, Due in Next Twelve Months | 19,732 | |||||||||||||||||||
Contractual Obligation, Due in Second Year | 18,250 | |||||||||||||||||||
Contractual Obligation, Due in Third Year | 4,500 | |||||||||||||||||||
Gas and Oil Area, Developed and Undeveloped, Gross | 2,468 | 8,095 | 16,233 | 2,319 | ||||||||||||||||
Gas and Oil Area, Developed and Undeveloped, Net | 2,186 | 6,964 | 14,653 | 1,762 | ||||||||||||||||
Business Combination, Consideration Transferred | 11,000 | 4,835 | 14,538 | 12,012 | ||||||||||||||||
Divestiture of Business, Percentage Of Business Sold | 15.00% | 10.00% | 69.00% | 11.25% | ||||||||||||||||
Divestiture of Business, Sales Price | $ 88,000 | $ 2,000 | $ 39,410 |