Consolidating Statement of Operations (Detail) (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
Schedule of Condensed Consolidating Statement of Operations [Line Items]                      
Revenue $ 128,388 $ 131,804 $ 134,977 $ 130,647 $ 83,743 $ 59,220 $ 58,749 $ 54,959 $ 525,816 $ 256,671 $ 156,837
Cost of revenues                 (456,167) (237,962) (123,509)
Gross profit 19,872 14,664 18,106 17,007 1,416 5,981 4,326 6,986 69,649 18,709 33,328
Selling, general and administrative expenses                 107,408 50,253 36,651
Long-lived asset impairment                 111,900 6,030  
Pipeline start-up and commissioning                 899   2,089
Loss from operations                 (149,659) (37,574) (5,412)
Interest expense, net                 (53,703) (26,607) (4,243)
Loss on extinguishment of debt                   (2,638)  
(Loss) income from equity investment                 54 12 (462)
Other (loss) income                 (3,827) (2,550) 6,232
Loss from continuing operations before income taxes                 (207,135) (69,357) (3,885)
Income tax benefit                 73,095 62,760 3,777
(Loss) gain from continuing operations                 (134,040) (6,597) (108)
Income from discontinued operations, net of income taxes (2,700) (95,740) 8,816 (8,627) (1,019) 4,814 5,329   (98,251) 9,124 (22,898)
Net (loss) income attributable to common stockholders (13,072) (193,738) (12,849) (12,632) 4,992 (9,345) 10,743 (3,863) (232,291) 2,527 (23,006)
Parent
                      
Schedule of Condensed Consolidating Statement of Operations [Line Items]                      
Selling, general and administrative expenses                 50,437 17,362 11,061
Loss from operations                 (50,437) (17,362) (11,061)
Interest expense, net                 (51,318) (25,200) (2,437)
Loss on extinguishment of debt                   (2,638)  
(Loss) income from equity investment                 (161,203) (5,701) (13,416)
Other (loss) income                 (5,292) (920) 131
Loss from continuing operations before income taxes                 (268,250) (51,821) (26,783)
Income tax benefit                 35,959 54,348 3,777
(Loss) gain from continuing operations                 (232,291) 2,527 (23,006)
Net (loss) income attributable to common stockholders                 (232,291) 2,527 (23,006)
Guarantor Subsidiaries
                      
Schedule of Condensed Consolidating Statement of Operations [Line Items]                      
Revenue                 520,922 255,263 156,837
Cost of revenues                 (453,609) (237,048) (123,509)
Gross profit                 67,313 18,215 33,328
Selling, general and administrative expenses                 56,746 32,807 25,590
Long-lived asset impairment                 111,900 6,030  
Pipeline start-up and commissioning                     2,089
Loss from operations                 (101,333) (20,622) 5,649
Interest expense, net                 (1,303) (1,155) (1,806)
(Loss) income from equity investment                 54 12 (462)
Other (loss) income                 (35) (1,630) 6,101
Loss from continuing operations before income taxes                 (102,617) (23,395) 9,482
Income tax benefit                 37,136 8,412  
(Loss) gain from continuing operations                 (65,481) (14,983) 9,482
Income from discontinued operations, net of income taxes                 (98,251) 9,124  
Net (loss) income attributable to common stockholders                 (163,732) (5,859) 9,482
Non-Guarantor Subsidiaries
                      
Schedule of Condensed Consolidating Statement of Operations [Line Items]                      
Revenue                 4,894 1,408  
Cost of revenues                 (2,558) (914)  
Gross profit                 2,336 494  
Selling, general and administrative expenses                 225 84  
Loss from operations                 2,111 410  
Interest expense, net                 (1,082) (252)  
Other (loss) income                 1,500    
Loss from continuing operations before income taxes                 2,529 158  
(Loss) gain from continuing operations                 2,529 158  
Income from discontinued operations, net of income taxes                     (22,898)
Net (loss) income attributable to common stockholders                 2,529 158 (22,898)
Consolidation, Eliminations
                      
Schedule of Condensed Consolidating Statement of Operations [Line Items]                      
(Loss) income from equity investment                 161,203 5,701 13,416
Loss from continuing operations before income taxes                 161,203 5,701 13,416
(Loss) gain from continuing operations                 161,203 5,701 13,416
Net (loss) income attributable to common stockholders                 $ 161,203 $ 5,701 $ 13,416