Annual report pursuant to Section 13 and 15(d)

Condensed Consolidating Financial Information - Condensed Consolidating Statement of Operations (Details)

v2.4.0.8
Condensed Consolidating Financial Information - Condensed Consolidating Statement of Operations (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Revenues:                      
Total revenues $ 68,067 $ 69,252 $ 70,434 $ 55,000 $ 56,603 $ 60,537 $ 66,325 $ 65,461 $ 262,753 $ 248,926 $ 229,254
Costs and expenses:                      
Lease operating expenses                 26,703 24,308 20,897
Production taxes                 26,933 28,957 26,054
Midstream transportation, processing and marketing                 11,030 443 279
Depreciation, depletion and amortization                 118,880 90,749 62,320
General and administrative                 22,519 13,808 8,074
(Gain) loss on sale of assets                 508 (7,300) 0
Accretion expense                 717 698 666
Total costs and expenses                 207,290 151,663 118,290
INCOME FROM OPERATIONS 2,926 15,137 22,456 14,944 25,875 18,178 25,947 27,263 55,463 97,263 110,964
OTHER (INCOME) EXPENSE:                      
Interest expense                 17,490 7,458 1,400
Interest income                 (297) (72) (186)
(Income) loss from equity method investments                 (213,058) (8,322) 1,418
Total Other (Income) Expense                 (195,865) (936) 2,632
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES                 251,328 98,199 108,332
INCOME TAX EXPENSE (BENEFIT) 21,027 23,400 25,514 28,195 10,849 15,514 0 0 98,136 26,363 (90)
INCOME FROM CONTINUING OPERATIONS                 153,192 71,836 108,422
Loss on disposal of Belize properties, net of tax                 0 3,465 0
NET INCOME 24,278 40,527 43,828 44,559 15,883 502 25,117 26,869 153,192 68,371 108,422
Parent [Member]
                     
Revenues:                      
Total revenues                 261,809 247,637 228,281
Costs and expenses:                      
Lease operating expenses                 25,971 23,644 20,168
Production taxes                 26,848 28,874 25,991
Midstream transportation, processing and marketing                 10,999 432 275
Depreciation, depletion and amortization                 118,878 90,749 62,320
General and administrative                 22,359 13,602 8,038
(Gain) loss on sale of assets                 508 (7,300)  
Accretion expense                 717 698 666
Total costs and expenses                 206,280 150,699 117,458
INCOME FROM OPERATIONS                 55,529 96,938 110,823
OTHER (INCOME) EXPENSE:                      
Interest expense                 17,490 7,458 1,400
Interest income                 (297) (72) (39)
(Income) loss from equity method investments                 (212,992) (5,182) 1,130
Total Other (Income) Expense                 (195,799) 2,204 2,491
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES                 251,328 94,734 108,332
INCOME TAX EXPENSE (BENEFIT)                 98,136 26,363 (90)
INCOME FROM CONTINUING OPERATIONS                   68,371  
Loss on disposal of Belize properties, net of tax                   0  
NET INCOME                 153,192 68,371 108,422
Guarantor [Member]
                     
Revenues:                      
Total revenues                 1,517 1,289 973
Costs and expenses:                      
Lease operating expenses                 732 664 729
Production taxes                 85 83 63
Midstream transportation, processing and marketing                 31 11 4
Depreciation, depletion and amortization                 2 0 0
General and administrative                 159 132 11
(Gain) loss on sale of assets                 0 0  
Accretion expense                 0 0 0
Total costs and expenses                 1,009 890 807
INCOME FROM OPERATIONS                 508 399 166
OTHER (INCOME) EXPENSE:                      
Interest expense                 0 0 0
Interest income                 0 0 0
(Income) loss from equity method investments                 0 0 0
Total Other (Income) Expense                 0 0 0
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES                 508 399 166
INCOME TAX EXPENSE (BENEFIT)                 0 0 0
INCOME FROM CONTINUING OPERATIONS                   399  
Loss on disposal of Belize properties, net of tax                   3,465  
NET INCOME                 508 (3,066) 166
Non-Guarantor [Member]
                     
Revenues:                      
Total revenues                 0 0 0
Costs and expenses:                      
Lease operating expenses                 0 0 0
Production taxes                 0 0 0
Midstream transportation, processing and marketing                 0   0
Depreciation, depletion and amortization                 0 0 0
General and administrative                 1 74 25
(Gain) loss on sale of assets                 0 0  
Accretion expense                 0 0 0
Total costs and expenses                 1 74 25
INCOME FROM OPERATIONS                 (1) (74) (25)
OTHER (INCOME) EXPENSE:                      
Interest expense                 0 0 0
Interest income                 0 0 (147)
(Income) loss from equity method investments                 2,999 1,512 1,592
Total Other (Income) Expense                 2,999 1,512 1,445
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES                 (3,000) (1,586) (1,470)
INCOME TAX EXPENSE (BENEFIT)                 0 0 0
INCOME FROM CONTINUING OPERATIONS                   (1,586)  
Loss on disposal of Belize properties, net of tax                   0  
NET INCOME                 (3,000) (1,586) (1,470)
Eliminations [Member]
                     
Revenues:                      
Total revenues                 (573) 0 0
Costs and expenses:                      
Lease operating expenses                 0 0 0
Production taxes                 0 0 0
Midstream transportation, processing and marketing                 0   0
Depreciation, depletion and amortization                 0 0 0
General and administrative                 0 0 0
(Gain) loss on sale of assets                 0 0  
Accretion expense                 0 0 0
Total costs and expenses                 0 0 0
INCOME FROM OPERATIONS                 (573) 0 0
OTHER (INCOME) EXPENSE:                      
Interest expense                 0 0 0
Interest income                 0 0 0
(Income) loss from equity method investments                 (3,065) (4,652) (1,304)
Total Other (Income) Expense                 (3,065) (4,652) (1,304)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES                 2,492 4,652 1,304
INCOME TAX EXPENSE (BENEFIT)                 0 0 0
INCOME FROM CONTINUING OPERATIONS                   4,652  
Loss on disposal of Belize properties, net of tax                   0  
NET INCOME                 $ 2,492 $ 4,652 $ 1,304