Note 6 - Segment Data (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Completion Services [Member]
Revenue	$ 332,499	$ 362,408	$ 703,453	$ 674,667
Adjusted EBITDA	24,474	78,177	74,261	142,198
Depreciation and amortization	51,126	23,666	84,064	44,790
Operating income (loss)	(31,902)	54,538	(14,282)	97,380
Capital expenditures	38,536	64,378	78,631	121,158
Total assets	1,930,690	1,219,666	1,930,690	1,219,666
Goodwill	356,058	$ 206,705	356,058	$ 206,705
Well Support Services [Member]
Revenue	153,092		169,219
Adjusted EBITDA	22,162		26,436
Depreciation and amortization	26,186		28,423
Operating income (loss)	(5,031)		(2,993)
Capital expenditures	20,522		22,145
Total assets	989,604		989,604
Goodwill	349,631		349,631
Other Services [Member]
Revenue	25,574	$ 5,513	39,709	$ 9,791
Adjusted EBITDA	(26,290)	(25,357)	(48,563)	(46,544)
Depreciation and amortization	4,204	1,708	6,467	2,454
Operating income (loss)	(40,417)	(34,478)	(90,277)	(56,412)
Capital expenditures	9,658	10,912	16,528	17,658
Total assets	370,900	164,316	370,900	164,316
Goodwill	37,171	13,802	37,171	13,802
Revenue	511,165	367,921	912,381	684,458
Adjusted EBITDA	20,346	52,820	52,134	95,654
Depreciation and amortization	81,516	25,374	118,954	47,244
Operating income (loss)	(77,350)	20,060	(107,552)	40,968
Capital expenditures	68,716	75,290	117,304	138,816
Total assets	3,291,194	1,383,982	3,291,194	1,383,982
Goodwill	$ 742,860	$ 220,507	$ 742,860	$ 220,507