Related-Party Transactions - Narrative (Details) MT in Thousands		3 Months Ended			9 Months Ended
	Apr. 02, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) MT	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Related Party Transaction [Line Items]
MSA fee waivers					$ 13,963,000	$ 18,749,000
Finished goods		$ 22,435,000			22,435,000		$ 2,718,000
Cost of goods sold		200,009,000	$ 130,939,000		517,212,000	430,973,000
Related-party management services agreement fees		6,196,000	7,439,000		20,832,000	22,998,000
Increase to Partners' capital accounts				$ (50,000,000)
Enviva FiberCo LLC
Related Party Transaction [Line Items]
Costs of cover fees		0			0
Purchase Of Wood Pellets and Deficiency Fee Costs Net		48,701			600,000
Purchase of raw materials		2,400,000			4,600,000
Related-party payables | Enviva FiberCo LLC
Related Party Transaction [Line Items]
Purchase of raw materials						300,000
MSAs
Related Party Transaction [Line Items]
Finished goods		2,774,000			2,774,000		419,000
Related-party payables		7,077,000			7,077,000		18,703,000
Cost of goods sold		22,952,000	17,764,000		53,465,000	51,477,000
Related-party management services agreement fees		6,196,000	7,439,000		20,832,000	22,998,000
Hamlet JV MSA Fee Waiver | Partners' capital
Related Party Transaction [Line Items]
Fee waived	$ 2,700,000
MSA fee waivers		200,000	800,000		1,500,000	1,700,000
First EVA MSA Fee Waiver
Related Party Transaction [Line Items]
Fee waived	$ 13,000,000.0
Increase to Partners' capital accounts					3,500,000
Make-Whole agreement
Related Party Transaction [Line Items]
Purchase Of Wood Pellets and Deficiency Fee Costs Net					25,200,000
Finished goods							500,000
Interim services agreement
Related Party Transaction [Line Items]
Related-party receivables, net		16,600,000			$ 16,600,000
Second EVA MSA Fee Waiver
Related Party Transaction [Line Items]
MSA fee waivers				$ 5,000,000.0
Increase to Partners' capital accounts			2,300,000			5,000,000.0
Third EVA MSA Fee Waiver | Partners' capital
Related Party Transaction [Line Items]
MSA fee waivers		$ 9,000,000.0
Greenwood Contract
Related Party Transaction [Line Items]
Annual volume of wood pellets to be purchased | MT					550
Wood pellets purchased			11,300,000		$ 18,800,000	35,500,000
Costs of cover fees			1,000,000.0		300,000	4,300,000
Purchase Of Wood Pellets and Deficiency Fee Costs Net					$ 18,100,000	31,200,000
Greenwood Contract | Finished goods inventory
Related Party Transaction [Line Items]
Finished goods							$ 1,500,000
Greenwood Contract | Cost of goods sold
Related Party Transaction [Line Items]
Purchase Of Wood Pellets and Deficiency Fee Costs Net						29,700,000
Terminal Services Agreement
Related Party Transaction [Line Items]
Annual volume of wood pellets to be purchased | MT					125
Terminal Services Agreement | Other revenue
Related Party Transaction [Line Items]
Costs of cover fees			$ 500,000		$ 1,300,000	$ 1,300,000