Quarterly report pursuant to Section 13 or 15(d)

Supplemental Guarantor Information (Condensed Consolidating Statement Of Income) (Details)

v2.4.0.6
Supplemental Guarantor Information (Condensed Consolidating Statement Of Income) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Revenues $ 235,886 $ 210,855
Lease operating expenses 56,663 52,405
Production taxes 1,485 288
Gathering and transportation 4,221 4,553
Depreciation, depletion, amortization and accretion 88,491 74,092
General and administrative expenses 29,479 18,129
Derivative loss 39,634 23,840
Total costs and expenses 219,973 173,307
Operating income 15,913 37,548
Incurred 13,905 10,129
Capitalized (3,191) (1,412)
Income before income tax expense 5,199 28,831
Income tax expense (benefit) 1,981 10,182
Net income 3,218 18,649
Parent Company [Member]
    
Revenues 176,562 140,226
Lease operating expenses 50,018 42,081
Production taxes 1,485 288
Gathering and transportation 3,484 3,072
Depreciation, depletion, amortization and accretion 67,623 51,411
General and administrative expenses 26,887 16,657
Derivative loss 39,634 23,840
Total costs and expenses 189,131 137,349
Operating income (12,569) 2,877
Earnings of affiliates 18,516 22,536
Incurred 13,905 10,129
Capitalized (3,191) (1,412)
Income before income tax expense (4,767) 16,696
Income tax expense (benefit) (7,985) (1,953)
Net income 3,218 18,649
Guarantor Subsidiaries [Member]
    
Revenues 59,324 70,629
Lease operating expenses 6,645 10,324
Gathering and transportation 737 1,481
Depreciation, depletion, amortization and accretion 20,868 22,681
General and administrative expenses 2,592 1,472
Total costs and expenses 30,842 35,958
Operating income 28,482 34,671
Income before income tax expense 28,482 34,671
Income tax expense (benefit) 9,966 12,135
Net income 18,516 22,536
Eliminations [Member]
    
Earnings of affiliates (18,516) (22,536)
Income before income tax expense (18,516) (22,536)
Net income $ (18,516) $ (22,536)