Acquisitions and Dispositions Acquisitions and Dispositions (Details) - USD ($)			1 Months Ended	12 Months Ended
	Dec. 06, 2018	Feb. 28, 2018	Feb. 28, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Mar. 31, 2018	Mar. 02, 2018	Feb. 27, 2018	Dec. 31, 2015
Business Acquisition [Line Items]
Purchase price	$ 7,600,000		$ 42,000,000
Total number of new units issued		7,772,021		7,772,021	0	33,810,000
Business Acquisition, Transaction Costs				$ 400,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability				3,400,000	$ 0	$ 0
Business Combination, Contingent Consideration, Liability				10,000,000
Business Combination, Liabilities Arising from Contingencies, Amount Recognized				11,000,000					$ 7,600,000
Contingent consideration, maximum	$ 1,500,000								15,000,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low									0
Notes Receivable, Related Parties								$ 7,500,000
Business Acquisition, Pro Forma Revenue				1,012,925,000	779,145,000
Indefinite-Lived Trademarks				3,300,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned									$ 28,200,000
Goodwill				25,859,000	6,636,000	6,636,000				$ 112,945,000
Business Acquisition, Pro Forma Depreciation, Amortization, and Accretion				115,902,000	109,484,000
Business Acquisition, Pro Forma Gross Profit				169,391,000	132,239,000
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax				(41,017,000)	(42,329,000)
Business Acquisition, Pro Forma Net Income (Loss)				(61,525,000)	(39,570,000)
Finite-Lived Customer Relationships, Gross				37,200,000
Other Finite-Lived Intangible Assets, Gross				1,500,000
Amortization expense of patents, trademarks, and other intangible assets				7,300,000	$ 6,100,000	$ 6,800,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual				95,600,000
Disposal Group, Including Discontinued Operation, Consideration								3,100,000
Line of Credit Facility, Maximum Borrowing Capacity							$ 47,000,000	$ 46,800,000
Business Exit Costs				1,400,000
Working Capital [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability				$ 1,000,000
Minimum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life				5 years
Minimum [Member] | Machinery and Equipment [Member]
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life				2 years
Maximum [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life				16 years
Maximum [Member] | Machinery and Equipment [Member]
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life				20 years
SwiftWater [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other				$ 16,880,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				11,631,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				41,960,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets				86,031,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities				7,189,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities				7,189,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net				78,842,000
Goodwill				15,560,000
Amortization expense of patents, trademarks, and other intangible assets				$ 2,500,000
SwiftWater [Member] | Minimum [Member] | Machinery and Equipment [Member]
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life				3 years
SwiftWater [Member] | Minimum [Member] | Automobiles [Member]
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life				3 years
SwiftWater [Member] | Maximum [Member] | Machinery and Equipment [Member]
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life				15 years
SwiftWater [Member] | Maximum [Member] | Automobiles [Member]
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life				4 years
JRGO [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other				$ 2,173,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				3,413,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				3,197,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets				12,445,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities				2,716,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities				2,716,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net				9,729,000
Goodwill				$ 3,662,000