Note 14 - Segment Information - Segment Data (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue from external customers									$ 971,142,000	$ 1,748,889,000	$ 1,607,944,000
Inter-segment revenues
Depreciation and amortization									217,440,000	276,353,000	108,145,000
Operating loss	$ (101,602,000)	$ (85,553,000)	$ (182,437,000)	$ (500,416,000)	$ (497,432,000)	$ (493,338,000)	$ (77,350,000)	$ (30,202,000)	(870,008,000)	(1,098,322,000)	123,744,000
Net loss	(118,371,000)	$ (106,390,000)	$ (291,116,000)	$ (428,412,000)	(321,742,000)	$ (455,016,000)	$ (65,121,000)	$ (30,663,000)	(944,289,000)	(872,542,000)	68,823,000
Adjusted EBITDA									(94,842,000)	46,756,000	252,946,000
Capital expenditures									57,909,000	166,321,000	307,598,000
Total assets	1,361,601,000				2,198,952,000				1,361,601,000	2,198,952,000	1,612,746,000
Goodwill					307,677,000					307,677,000	219,953,000
Corporate and Eliminations [Member]
Revenue from external customers
Inter-segment revenues									(30,388,000)	(155,256,000)	(228,650,000)
Depreciation and amortization									(209,000)	(116,000)	(349,000)
Operating loss									(133,909,000)	(115,154,000)	(108,921,000)
Net loss									(204,971,000)	114,849,000	(163,213,000)
Adjusted EBITDA									(66,897,000)	(71,734,000)	(88,231,000)
Capital expenditures									17,541,000	1,054,000	(13,914,000)
Total assets	58,894,000				60,963,000				58,894,000	60,963,000	(1,657,000)
Goodwill
Completion Services [Member]
Goodwill	0								0		200,149,000
Completion Services [Member] | Operating Segments [Member]
Revenue from external customers									543,958,000	1,138,521,000	1,400,133,000
Inter-segment revenues									1,049,000	4,276,000	366,000
Depreciation and amortization									131,237,000	170,452,000	86,514,000
Operating loss									(253,513,000)	(754,874,000)	187,615,000
Net loss									(253,845,000)	(755,704,000)	187,536,000
Adjusted EBITDA									(39,628,000)	39,851,000	274,113,000
Capital expenditures									15,622,000	79,211,000	254,455,000
Total assets	692,437,000				968,438,000				692,437,000	968,438,000	1,218,005,000
Goodwill											200,149,000
Well Support Services [Member]
Goodwill	0				307,677,000				0	307,677,000	15,085,000
Well Support Services [Member] | Operating Segments [Member]
Revenue from external customers									419,597,000	582,142,000	188,256,000
Inter-segment revenues									224,000	226,000	122,000
Depreciation and amortization									84,105,000	100,858,000	18,184,000
Operating loss									(430,808,000)	(159,165,000)	28,471,000
Net loss									(426,716,000)	(163,103,000)	28,471,000
Adjusted EBITDA									17,460,000	79,966,000	46,689,000
Capital expenditures									16,295,000	55,612,000	57,817,000
Total assets	557,292,000				1,045,223,000				557,292,000	1,045,223,000	209,490,000
Goodwill					307,677,000					307,677,000	15,085,000
Other Services [Member]
Goodwill	0								0		4,719,000
Other Services [Member] | Operating Segments [Member]
Revenue from external customers									7,587,000	28,226,000	19,555,000
Inter-segment revenues									29,115,000	150,754,000	228,162,000
Depreciation and amortization									2,307,000	5,159,000	3,796,000
Operating loss									(51,778,000)	(69,129,000)	16,579,000
Net loss									(58,757,000)	(68,584,000)	16,029,000
Adjusted EBITDA									(5,777,000)	(1,327,000)	20,375,000
Capital expenditures									8,451,000	30,444,000	9,240,000
Total assets	52,978,000				124,328,000				52,978,000	124,328,000	186,908,000
Goodwill											$ 4,719,000