Summary of Significant Accounting Policies (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill table (details)
Beginning balance	$ 189,604,000	$ 99,132,000	$ 99,005,000
Goodwill adjustments	(1,445,000)		127,000
Goodwill acquired		90,472,000
Ending balance	188,159,000	189,604,000	99,132,000
Fluids Goodwill [Member]
Goodwill table (details)
Beginning balance	0	0	0
Goodwill adjustments	0		0
Goodwill acquired		0
Ending balance	0	0	0
Accumulated impairment losses	23,900,000
Offshore Services Goodwill [Member]
Goodwill table (details)
Beginning balance	3,936,000	3,936,000	3,809,000
Goodwill adjustments	0		127,000
Goodwill acquired		0
Ending balance	3,936,000	3,936,000	3,936,000
Accumulated impairment losses	23,200,000
Maritech Goodwill [Member]
Goodwill table (details)
Beginning balance	0	0	0
Goodwill adjustments	0		0
Goodwill acquired		0
Ending balance	0	0	0
Production Testing Goodwill [Member]
Goodwill table (details)
Beginning balance	113,507,000	23,035,000	23,035,000
Goodwill adjustments	(1,445,000)		0
Goodwill acquired		90,472,000
Ending balance	112,062,000	113,507,000	23,035,000
Compressco Goodwill [Member]
Goodwill table (details)
Beginning balance	72,161,000	72,161,000	72,161,000
Goodwill adjustments	0		0
Goodwill acquired		0
Ending balance	$ 72,161,000	$ 72,161,000	$ 72,161,000