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Fair Value - Additional Information (Detail) (USD $)
Share data in Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2013
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2013
Appalachian Water Services
|
Dec. 31, 2013
Appalachian Water Services
Minimum
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Jul. 31, 2013
Keystone Vacuum, Inc.
|
Dec. 31, 2013
Keystone Vacuum, Inc.
|
Jul. 31, 2013
Keystone Vacuum, Inc.
Maximum
|
Jul. 09, 2013
Ideal Oilfield
|
Dec. 31, 2013
Ideal Oilfield
|
Dec. 31, 2013
Ideal Oilfield
Maximum
|
Feb. 28, 2014
Subsequent Event
Complete Vacuum and Rentals, Inc.
|
Feb. 28, 2014
Subsequent Event
Complete Vacuum and Rentals, Inc.
Maximum
|
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||||
| Business acquisition, contingent consideration | $ 15,457,000 | $ 10,431,000 | $ 1,500,000 | $ 7,500,000 | $ 8,100,000 | $ 8,500,000 | $ 4,000,000 | ||||||
| Contingent consideration clause in form of earn-out provision based upon achievement of EBITDA target | 4,000,000 | ||||||||||||
| Common stock, shares issued | 100 | 200 | |||||||||||
| Cash payment for contingent consideration obligation | 900,000 | ||||||||||||
| Maximum Potential Performance-Based Earnout Liability | 2,000,000 | ||||||||||||
| Percentage of ownership interest to be acquired | 49.00% | ||||||||||||
| Business acquisition equity interest issuable, value | 11,000,000 | 6,700,000 | |||||||||||
| Write-down of cost method investment | $ 4,300,000 | $ 4,300,000 | |||||||||||