v2.4.0.8
Guarantor Subsidiaries Income Statement (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Schedule of Condensed Consolidating Statement of Operations [Line Items]        
Sales-Outside $ 1,125,776 $ 1,189,293 $ 2,351,941 $ 2,500,764
Sales-Gas Royalty Interests 17,028 9,533 31,232 21,739
Sales-Purchased Gas 1,406 651 2,764 1,490
Freight-Outside 10,125 49,472 24,186 98,765
Other Income (including equity earnings) 62,345 205,538 96,197 258,499
Total Revenue and Other Income 1,216,680 1,454,487 2,506,320 2,881,257
Cost of Goods Sold and Other Operating Charges (exclusive of depreciation, depletion and amortization shown below) 855,878 856,889 1,788,841 1,760,930
Gas Royalty Interests Costs 13,534 7,124 25,340 17,373
Purchased Gas Costs 1,061 869 2,020 1,386
Related Party Activity 0 0 0 0
Freight Expense 10,125 49,472 24,186 98,765
Selling, General and Administrative Expenses 37,123 33,732 70,793 72,731
Depreciation, Depletion and Amortization 159,307 153,824 320,622 309,171
Interest Expense 54,518 56,593 107,896 114,713
Taxes Other Than Income 83,325 84,329 166,112 175,956
Total Costs 1,214,871 1,242,832 2,505,810 2,551,025
Earnings Before Income Taxes 1,809 211,655 510 330,232
Income Tax Expense (Benefit) 14,622 58,945 15,144 80,326
Net Income (Loss) Attributable to Noncontrolling Interest 287 29 544 29
Net Income (Loss) Available to Common Stockholders, Basic (12,526) 152,739 (14,090) 249,935
Net Income (Loss) (12,813) 152,710 (14,634) 249,906
Parent Issuer [Member]
        
Schedule of Condensed Consolidating Statement of Operations [Line Items]        
Sales-Outside 0 0 0 0
Sales-Gas Royalty Interests 0 0 0 0
Sales-Purchased Gas 0 0 0 0
Freight-Outside 0 0 0 0
Other Income (including equity earnings) 198,207 249,780 276,183 417,765
Total Revenue and Other Income 198,207 249,780 276,183 417,765
Cost of Goods Sold and Other Operating Charges (exclusive of depreciation, depletion and amortization shown below) 4,249 22,351 80,239 71,531
Gas Royalty Interests Costs 0 0 0 0
Purchased Gas Costs 0 0 0 0
Related Party Activity 35,231 (14,013) 22,675 (7,000)
Freight Expense 0 0 0 0
Selling, General and Administrative Expenses 0 0 0 0
Depreciation, Depletion and Amortization 3,252 2,895 6,447 5,816
Interest Expense 50,807 52,932 100,976 107,694
Taxes Other Than Income 88 27 265 663
Total Costs 93,627 64,192 210,602 178,704
Earnings Before Income Taxes 104,580 185,588 65,581 239,061
Income Tax Expense (Benefit) 117,106 32,849 79,671 (10,874)
Net Income (Loss) Attributable to Noncontrolling Interest 0 0 0 0
Net Income (Loss) Available to Common Stockholders, Basic (12,526) 152,739 (14,090) 249,935
Net Income (Loss) (12,526) 152,739 (14,090) 249,935
CNX Gas Guarantor [Member]
        
Schedule of Condensed Consolidating Statement of Operations [Line Items]        
Sales-Outside 172,161 148,459 340,840 309,128
Sales-Gas Royalty Interests 17,028 9,533 31,232 21,739
Sales-Purchased Gas 1,406 651 2,764 1,490
Freight-Outside 0 0 0 0
Other Income (including equity earnings) 11,235 18,098 24,459 34,403
Total Revenue and Other Income 201,830 176,741 399,295 366,760
Cost of Goods Sold and Other Operating Charges (exclusive of depreciation, depletion and amortization shown below) 125,632 101,695 239,984 200,340
Gas Royalty Interests Costs 13,544 7,131 25,361 17,386
Purchased Gas Costs 1,061 869 2,020 1,386
Related Party Activity 0 0 0 0
Freight Expense 0 0 0 0
Selling, General and Administrative Expenses 11,717 9,313 21,829 19,293
Depreciation, Depletion and Amortization 52,236 47,326 104,635 96,129
Interest Expense 2,136 1,191 3,797 2,409
Taxes Other Than Income 0 8,164 6,698 16,364
Total Costs 206,326 175,689 404,324 353,307
Earnings Before Income Taxes (4,496) 1,052 (5,029) 13,453
Income Tax Expense (Benefit) (1,747) 326 (1,955) 5,273
Net Income (Loss) Attributable to Noncontrolling Interest 287 29 544 29
Net Income (Loss) Available to Common Stockholders, Basic (2,462) 755 (2,530) 8,209
Net Income (Loss) (2,749) 726 (3,074) 8,180
Other Guarantors Subsidiaries [Member]
        
Schedule of Condensed Consolidating Statement of Operations [Line Items]        
Sales-Outside 897,541 976,515 1,901,698 2,058,803
Sales-Gas Royalty Interests 0 0 0 0
Sales-Purchased Gas 0 0 0 0
Freight-Outside 10,125 49,472 24,186 98,765
Other Income (including equity earnings) 45,706 30,352 60,961 60,055
Total Revenue and Other Income 953,372 1,056,339 1,986,845 2,217,623
Cost of Goods Sold and Other Operating Charges (exclusive of depreciation, depletion and amortization shown below) 660,137 662,457 1,341,842 1,345,213
Gas Royalty Interests Costs 0 0 0 0
Purchased Gas Costs 0 0 0 0
Related Party Activity (50,571) 22,782 (58,349) 24,040
Freight Expense 10,125 49,472 24,186 98,765
Selling, General and Administrative Expenses 25,058 24,185 48,305 52,757
Depreciation, Depletion and Amortization 103,321 103,085 208,558 206,185
Interest Expense 1,679 2,560 3,323 4,789
Taxes Other Than Income 82,507 75,425 157,513 157,396
Total Costs 832,256 939,966 1,725,378 1,889,145
Earnings Before Income Taxes 121,116 116,373 261,467 328,478
Income Tax Expense (Benefit) (96,692) 23,788 (59,883) 81,577
Net Income (Loss) Attributable to Noncontrolling Interest 0 0 0 0
Net Income (Loss) Available to Common Stockholders, Basic 217,808 92,585 321,350 246,901
Net Income (Loss) 217,808 92,585 321,350 246,901
Non-Guarantors [Member]
        
Schedule of Condensed Consolidating Statement of Operations [Line Items]        
Sales-Outside 53,610 64,785 107,663 133,807
Sales-Gas Royalty Interests 0 0 0 0
Sales-Purchased Gas 0 0 0 0
Freight-Outside 0 0 0 0
Other Income (including equity earnings) 5,404 5,215 10,777 11,172
Total Revenue and Other Income 59,014 70,000 118,440 144,979
Cost of Goods Sold and Other Operating Charges (exclusive of depreciation, depletion and amortization shown below) 53,467 62,811 107,193 129,227
Gas Royalty Interests Costs 0 0 0 0
Purchased Gas Costs 0 0 0 0
Related Party Activity 436 447 840 949
Freight Expense 0 0 0 0
Selling, General and Administrative Expenses 348 234 659 681
Depreciation, Depletion and Amortization 498 518 982 1,041
Interest Expense 10 11 21 22
Taxes Other Than Income 730 713 1,636 1,533
Total Costs 55,489 64,734 111,331 133,453
Earnings Before Income Taxes 3,525 5,266 7,109 11,526
Income Tax Expense (Benefit) (4,045) 1,982 (2,689) 4,350
Net Income (Loss) Attributable to Noncontrolling Interest 0 0 0 0
Net Income (Loss) Available to Common Stockholders, Basic 7,570 3,284 9,798 7,176
Net Income (Loss) 7,570 3,284 9,798 7,176
Consolidation, Eliminations [Member]
        
Schedule of Condensed Consolidating Statement of Operations [Line Items]        
Sales-Outside 2,464 (466) 1,740 (974)
Sales-Gas Royalty Interests 0 0 0 0
Sales-Purchased Gas 0 0 0 0
Freight-Outside 0 0 0 0
Other Income (including equity earnings) (198,207) (97,907) (276,183) (264,896)
Total Revenue and Other Income (195,743) (98,373) (274,443) (265,870)
Cost of Goods Sold and Other Operating Charges (exclusive of depreciation, depletion and amortization shown below) 12,393 7,575 19,583 14,619
Gas Royalty Interests Costs (10) (7) (21) (13)
Purchased Gas Costs 0 0 0 0
Related Party Activity 14,904 (9,216) 34,834 (17,989)
Freight Expense 0 0 0 0
Selling, General and Administrative Expenses 0 0 0 0
Depreciation, Depletion and Amortization 0 0 0 0
Interest Expense (114) (101) (221) (201)
Taxes Other Than Income 0 0 0 0
Total Costs 27,173 (1,749) 54,175 (3,584)
Earnings Before Income Taxes (222,916) (96,624) (328,618) (262,286)
Income Tax Expense (Benefit) 0 0 0 0
Net Income (Loss) Attributable to Noncontrolling Interest 0 0 0 0
Net Income (Loss) Available to Common Stockholders, Basic (222,916) (96,624) (328,618) (262,286)
Net Income (Loss) $ (222,916) $ (96,624) $ (328,618) $ (262,286)