Property and Equipment (Details) (USD $)	12 Months Ended			3 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended	2 Months Ended		1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Feb. 28, 2014	Sep. 30, 2013	Oct. 31, 2013 drilling_rigs	Jun. 30, 2013 drilling_rigs	Jan. 31, 2015 drilling_rigs	Feb. 17, 2015 drilling_rigs	Feb. 28, 2015	Feb. 17, 2015 drilling_rigs	Feb. 01, 2015 drilling_rigs
Property, Plant and Equipment [Line Items]
Capital Expenditures	$ 188,121,000	$ 125,420,000	$ 379,272,000
Construction in Progress, Gross	82,700,000	19,400,000
Interest Costs Capitalized	705,000	943,000	10,184,000
Gain (Loss) on Disposition of Property Plant Equipment	(1,729,000)	(1,421,000)	(1,199,000)
Net property and equipment	856,541,000	937,657,000
Impairment charges	73,025,000	54,292,000	1,131,000
Assets held for sale	9,909,000	0
Proceeds from sale of property and equipment	8,370,000	13,836,000	3,093,000
Property, plant and equipment, excluding drilling rigs [Member]
Property, Plant and Equipment [Line Items]
Impairment charges	2,000,000
Property, Plant and Equipment [Member]
Property, Plant and Equipment [Line Items]
Impairment charges		9,500,000	1,100,000	1,100,000
Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Impairment charges	71,000,000
Trucks [Member]
Property, Plant and Equipment [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment	(1,100,000)
Trucks, number in fleet					40
Net property and equipment					3,400,000
Proceeds from sale of property and equipment					4,500,000
Production Services Segment [Member]
Property, Plant and Equipment [Line Items]
Capital Expenditures	74,652,000	44,541,000	110,813,000
Segment Reporting Information, Disposed Wireline Units		4		2
Production Services Segment [Member] | Property, Plant and Equipment [Member]
Property, Plant and Equipment [Line Items]
Impairment charges						300,000
Drilling Services Segment [Member]
Property, Plant and Equipment [Line Items]
Capital Expenditures	112,483,000	78,708,000	265,966,000
Impairment charges						9,200,000
Segment Reporting Information, Disposed Drililng Rigs				2			8	2
Drilling Services Segment [Member] | Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment								(800,000)
Drilling Services Segment [Member] | Mechanical and Lower Horsepower Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Drilling Rigs on which Impairment Taken	31
Drilling Rigs	31
Drilling Rigs Held for Sale	9
Real Estate [Member]
Property, Plant and Equipment [Line Items]
Real Estate Properties Held for Sale	2
Wireline Units [Member]
Property, Plant and Equipment [Line Items]
Segment Reporting Information, Wireline Units Held for Sale	4
Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Drilling Rigs Held for Sale	9					8
Estimated to Become Active Between 3 and 12 Months [Member] | Drilling Services Segment [Member]
Property, Plant and Equipment [Line Items]
Drilling Rigs Under Term Contract To Be Built	5
Estimated to Become classified as Held for Sale at end of Current Contract [Member] | Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Net property and equipment	17,500,000
Estimated to Become classified as Held for Sale at end of Current Contract [Member] | Drilling Services Segment [Member]
Property, Plant and Equipment [Line Items]
Drilling Rigs on which Impairment Taken	15
Estimated to Become classified as Held for Sale at end of Current Contract [Member] | Drilling Services Segment [Member] | Mechanical and Lower Horsepower Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Drilling Rigs on which Impairment Taken	15
Subsequent Event [Member] | Drilling Services Segment [Member]
Property, Plant and Equipment [Line Items]
Drilling Rigs													47
Segment Reporting Information, Disposed Drililng Rigs										6
Property, Plant and Equipment, Number of Real Estate Properties Sold									1	1
Proceeds from sale of property and equipment										17,800,000	17,800,000
Subsequent Event [Member] | Drilling Services Segment [Member] | Mechanical and Lower Horsepower Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Segment Reporting Information, Disposed Drililng Rigs									3		6	3
Subsequent Event [Member] | Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Drilling Rigs Held for Sale													12
Colombia [Member] | Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Net property and equipment	87,500,000
Colombia [Member] | Drilling Services Segment [Member] | Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Drilling Rigs	5		5
Colombia [Member] | Subsequent Event [Member] | Drilling Services Segment [Member]
Property, Plant and Equipment [Line Items]
Drilling Rigs													8
Fair Value, Inputs, Level 3 [Member] | Mechanical and Lower Horsepower Drilling Rigs [Member]
Property, Plant and Equipment [Line Items]
Estimated Fair Value of Drilling Rigs Impaired	$ 34,000,000