Enviva (EVVAQ) 10-Q 8 May 19 2019 Q1 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	Apr. 26, 2019
Document And Entity Information Abstract
Entity Registrant Name	Enviva Partners, LP
Entity Central Index Key	0001592057
Document Type	10-Q
Document Period End Date	Mar. 31, 2019
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Common Stock, Shares Outstanding		33,456,811
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 106,745	$ 2,460
Accounts receivable	64,904	54,794
Insurance receivables	1,300	5,140
Related-party receivables	13,558	1,392
Inventories	27,999	31,490
Prepaid expenses and other current assets	2,391	2,235
Total current assets	216,897	97,511
Property, plant and equipment, net	560,372	557,028
Operating lease right-of-use assets, net	26,957	0
Goodwill	85,615	85,615
Other long-term assets	5,939	8,616
Total assets	895,780	748,770
Current liabilities:
Accounts payable	7,667	15,551
Related-party payables and accrued liabilities	17,294	28,225
Deferred consideration for Wilmington Drop-Down due to related-party	74,000	74,000
Accrued and other current liabilities	58,656	41,400
Current portion of interest payable	13,020	5,434
Current portion of long-term debt and finance lease obligations	2,762	2,722
Total current liabilities	173,399	167,332
Long-term debt and finance lease obligations	475,975	429,933
Long-term operating lease liabilities	27,730	0
Long-term interest payable	1,040	1,010
Other long-term liabilities	2,165	3,779
Total liabilities	680,309	602,054
Commitments and contingencies
Limited partners:
Common unitholders—public (18,176,319 and 14,573,452 units issued and outstanding at March 31, 2019 and December 31, 2018, respectively)	290,845	207,612
Common unitholder—sponsor (11,905,138 units issued and outstanding at March 31, 2019 and December 31, 2018)	60,011	72,352
General partner (no outstanding units)	(135,680)	(133,687)
Accumulated other comprehensive income	295	439
Total partners’ capital	215,471	146,716
Total liabilities and partners’ capital	$ 895,780	$ 748,770

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - shares	Mar. 31, 2019	Dec. 31, 2018
Common Units— Public
Limited partner units issued	18,176,319	14,573,452
Limited partner units outstanding	18,176,319	14,573,452
Common Units— Sponsor
Limited partner units issued	11,905,138	11,905,138
Limited partner units outstanding	11,905,138	11,905,138
General Partner Interest
General partner units outstanding	0	0

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Net revenue		$ 158,369	$ 125,324
Cost of goods sold	[1]	137,392	121,038
Depreciation and amortization		11,070	9,304
Total cost of goods sold		148,462	130,342
Gross margin		9,907	(5,018)
General and administrative expenses	[1]	9,837	6,804
Income (loss) from operations		70	(11,822)
Other income (expense):
Interest expense		(9,633)	(8,645)
Other income, net		640	1,132
Total other expense, net		(8,993)	(7,513)
Net loss		$ (8,923)	$ (19,335)
Net loss per limited partner common unit:
Common - basic (in dollars per unit)		$ (0.42)	$ (0.78)
Common - diluted (in dollars per unit)		(0.42)	(0.78)
Net loss per limited partner subordinated unit:
Subordinated - basic (in dollars per unit)		0	(0.78)
Subordinated - diluted (in dollars per unit)		$ 0	$ (0.78)
Weighted-average number of limited partner units outstanding:
Common - basic (in units)		26,759	14,438
Common - diluted (in units)		26,759	14,438
Subordinated - basic and diluted (in units)		0	11,905
Product sales
Net revenue		$ 156,599	$ 122,322
Other revenue
Net revenue	[1]	$ 1,770	$ 3,002
[1]	See Note 12, Related-Party Transactions

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (8,923)	$ (19,335)
Other comprehensive loss:
Net unrealized losses on cash flow hedges	(55)
Net unrealized losses on cash flow hedges		(1,328)
Reclassification of net (gains) losses realized into net loss	(107)	1
Total other comprehensive loss	(162)	(1,327)
Total comprehensive loss	$ (9,085)	$ (20,662)

Condensed Consolidated Statem_3

Condensed Consolidated Statement of Changes in Partners’ Capital - USD ($) $ in Thousands	Total	Accumulated Other Comprehensive Income (Loss)	General Partner Interest	Common Units— Public	Common Units— Sponsor	Subordinated Units— Sponsor
Balance at the beginning of the period at Dec. 31, 2017	$ 210,369	$ (3,040)	$ (128,569)	$ 224,027	$ 16,050	$ 101,901
Balance at the beginning of the period (in units) at Dec. 31, 2017				13,073,000	1,347,000	11,905,000
Changes in Partners’ Capital
Distributions to unitholders, distribution equivalent and incentive distribution rights	(18,128)		(1,130)	$ (8,833)	$ (784)	$ (7,381)
Issuance of units through Long-Term Incentive Plan	(3,594)		(2,129)	$ (164)	$ (1,301)
Issuance of units through Long-Term Incentive Plan (in units)				99,000	(82,000)
Issuance of common units, net	241			$ 241
Issuance of common units, net (in units)				8,000
Non-cash Management Services Agreement expenses	1,033		102	$ 931
Other comprehensive loss	(1,327)	(1,327)
Net income (loss)	(19,335)		1,130	(10,233)	$ (983)	(9,249)
Balance at the end of the period at Mar. 31, 2018	169,259	(4,367)	(130,596)	$ 205,969	$ 12,982	$ 85,271
Balance at the end of the period (in units) at Mar. 31, 2018				13,180,000	1,265,000	11,905,000
Balance at the beginning of the period at Dec. 31, 2018	146,716	439	(133,687)	$ 207,612	$ 72,352
Balance at the beginning of the period (in units) at Dec. 31, 2018				14,573,452	11,905,138
Changes in Partners’ Capital
Distributions to unitholders, distribution equivalent and incentive distribution rights	(19,559)		(1,671)	$ (10,269)	$ (7,619)
Issuance of units through Long-Term Incentive Plan	(1,470)		(2,129)	$ 659
Issuance of units through Long-Term Incentive Plan (in units)				94,000
Issuance of common units, net	96,661			$ 96,661
Issuance of common units, net (in units)				3,509,000
Non-cash Management Services Agreement expenses	2,208		136	$ 2,072
Other comprehensive loss	(162)	(162)
Net income (loss)	(8,923)		1,671	(5,880)	(4,714)
Balance at the end of the period at Mar. 31, 2019	$ 215,471	$ 295	$ (135,680)	$ 290,845	$ 60,011
Balance at the end of the period (in units) at Mar. 31, 2019				18,176,319	11,905,138

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net loss	$ (8,923)	$ (19,335)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	11,208	9,408
Amortization of debt issuance costs, debt premium and original issue discounts	295	272
Impairment of inventory	0	10,383
Loss on disposal of assets	0	1,130
Unit-based compensation	2,472	1,343
Fair value changes in derivatives	2,216	525
Unrealized gains (losses) on foreign currency transactions, net	92	(69)
Change in operating assets and liabilities:
Accounts and insurance receivables	(6,359)	31,232
Related-party receivables	(8,022)	1,800
Prepaid expenses and other current and long-term assets	(72)	(50)
Inventories	3,366	(16,509)
Derivatives	298	(601)
Accounts payable, accrued liabilities and other current liabilities	(1,229)	8,677
Related-party payables and accrued liabilities	(12,330)	(6,501)
Accrued interest	7,514	7,574
Operating lease liabilities	(893)
Other long-term liabilities	98	37
Net cash (used in) provided by operating activities	(10,269)	29,316
Cash flows from investing activities:
Purchases of property, plant and equipment	(11,279)	(1,999)
Net cash used in investing activities	(11,279)	(1,999)
Cash flows from financing activities:
Proceeds from (repayments on) long-term debt and finance lease obligations, net	45,447	(1,172)
Proceeds from common unit issuances (net in 2018)	100,000	241
Distributions to unitholders, distribution equivalent rights and incentive distribution rights holder	(19,614)	(17,847)
Payment to General Partner to purchase affiliate common units for Long-Term Incentive Plan vesting	0	(2,341)
Payment for withholding tax associated with Long-Term Incentive Plan vesting	0	(1,665)
Net cash provided by (used in) financing activities	125,833	(22,784)
Net increase in cash, cash equivalents and restricted cash	104,285	4,533
Cash, cash equivalents and restricted cash, beginning of period	2,460	524
Cash, cash equivalents and restricted cash, end of period	106,745	5,057
Non-cash investing and financing activities:
Property, plant and equipment acquired included in accounts payable and accrued liabilities	11,237	1,587
Property, plant and equipment acquired under finance lease obligations	626	674
Property, plant and equipment transferred from inventories	0	2
Property, plant and equipment capitalized interest	102	0
Distributions included in liabilities	873	1,352
Withholding tax payable associated with Long-Term Incentive Plan vesting	1,870	0
Common unit issuance costs in accrued liabilities	3,339	0
Depreciation capitalized to inventories	442	1,037
Supplemental cash flow information:
Interest paid	$ 1,929	$ 795

Description of Business and Bas

Description of Business and Basis of Presentation	3 Months Ended
	Mar. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business and Basis of Presentation	Description of Business and Basis of Presentation Description of Business Enviva Partners, LP, together with its subsidiaries (“we,” “us,” “our” or the “Partnership”), supplies utility-grade wood pellets primarily to major power generators under long-term, take-or-pay off-take contracts. We procure wood fiber and process it into utility-grade wood pellets and load the finished wood pellets into railcars, trucks and barges for transportation to deep-water marine terminals, where they are received, stored and ultimately loaded onto oceangoing vessels for delivery to our principally European, and increasingly Japanese, customers under long-term, take-or-pay contracts. As of March 31, 2019, we owned and operated six industrial-scale wood pellet production plants located in the Mid-Atlantic and Gulf Coast regions of the United States. In addition to the volumes from our plants, we also procure wood pellets from third parties and Enviva Pellets Greenwood, LLC (“Greenwood”), a wholly owned subsidiary of Enviva JV Development Company, LLC (the “Second JV”), a joint venture between Enviva Holdings, LP (together with its wholly owned subsidiaries Enviva MLP Holdco, LLC and Enviva Development Holdings, LLC, where applicable, the “sponsor”) and John Hancock Life Insurance Company (U.S.A.) and certain of its affiliates. Greenwood owns a wood pellet production plant in Greenwood, South Carolina (the “Greenwood plant”). Wood pellets are exported from our wholly owned dry-bulk, deep-water marine terminal in Chesapeake, Virginia (the “Chesapeake terminal”) and terminal assets in Wilmington, North Carolina (the “Wilmington terminal”), and from third-party deep-water marine terminals in Mobile, Alabama and Panama City, Florida, under a short-term and a long-term contract, respectively. Basis of Presentation The unaudited financial statements and notes have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X of the Securities Exchange Act of 1934. Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements. In the opinion of management, all adjustments and accruals necessary for a fair presentation have been included. All such adjustments and accruals are of a normal and recurring nature unless disclosed otherwise. All significant intercompany balances and transactions have been eliminated in consolidation. The results reported in the financial statements are not necessarily indicative of the results that may be reported for the entire year. Certain amounts related to the change in the fair value of derivatives have been reclassified to product sales from other income for 2018 to conform to current period presentation. Certain amounts on our condensed consolidated statements of cash flows related to insurance recoveries have been reclassified to accounts and insurance receivables for 2018 to conform to current period presentation. The unaudited financial statements and notes should be read in conjunction with the audited financial statements and notes included in our Annual Report on Form 10-K for the year ended December 31, 2018 .

Significant Accounting Policies

Significant Accounting Policies	3 Months Ended
	Mar. 31, 2019
Accounting Policies [Abstract]
Significant Accounting Policies	Significant Accounting Policies During interim periods, we follow the accounting policies disclosed in our Annual Report on Form 10-K for the year ended December 31, 2018 except for our adoption on and as of January 1, 2019 of Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) 2016-02, Leases (Topic 842) and ASU 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities. Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make judgments, estimates and assumptions that affect the amounts reported in our unaudited financial statements and accompanying notes. Actual results could differ materially from those estimates. Accounting Standards Adopted Leases ASU 2016-02 established a right-of-use (“ROU”) model that requires lessees to recognize a ROU asset and corresponding lease liability on the balance sheet for all leases with a term of longer than 12 months and classify leases as operating or finance. Operating lease expense is recorded in a single financial statement line item on a straight-line basis over the lease term. Amortization of the ROU asset is the calculated difference between straight-line lease expense and the accretion of interest on the lease liability each period. We adopted ASU 2016-02 on and as of January 1, 2019 using the modified retrospective transition method, which we applied to all leases existing at the date of initial application of the ASU. We elected to use the effective date as the date of initial application, as opposed to the beginning of the earliest comparative period presented in the financial statements; consequently, financial information and disclosures are not presented under the new standard for periods prior to January 1, 2019. We elected the package of three practical expedients under the transition guidance within the new standard, which permitted us to reassess our prior conclusions under the previous guidance concerning lease identification, lease classification and initial direct leasing costs. We elected the practical expedient to not evaluate existing or expired land easements that were not accounted for as leases under previous guidance. We did not, however, elect the separate practical expedient pertaining to the use of hindsight in determining the lease term for existing leases. We have a significant contract containing both lease and nonlease components, which are accounted for separately. As this contract has fixed payments, the allocation of lease and nonlease components is based on relative standalone price. The adoption of the new standard as of January 1, 2019 resulted in the recognition of operating lease ROU assets of $27.4 million , net of $2.1 million of deferred rent liabilities existing as of December 31, 2018, and operating lease liabilities of $29.5 million for operating leases related to real estate, machinery and equipment and other operating leases with terms of longer than 12 months. The amounts recognized as of January 1, 2019 were based on the present value of the remaining minimum rental payments under previous leasing standards for existing operating leases. The classification of a lease affects the pattern and classification of expense recognition in the income statement, which is unchanged from under the previous accounting method. The adoption of the new standard did not change our accounting for finance leases (which were described as “capital leases” under the previous standard) or impact our results of operations and cash flows. See Note 8, Leases . Derivative Instruments We adopted ASU 2017-12 on and as of January 1, 2019 using the modified retrospective method, which requires the recognition of the cumulative effect of the change on the opening balance of each affected component of equity in the statement of changes in partner’s capital as of the date of adoption of the new standard. Upon adoption of ASU 2017-12, we no longer measure and recognize ineffectiveness related to designated and qualifying cash flow hedges in earnings; as a result, any ineffectiveness is included in accumulated other comprehensive income. On January 1, 2019, we recorded a nominal cumulative effect adjustment to accumulated other comprehensive income and common units in partners’ capital. See Note 9, Derivatives . Recently Issued Accounting Standards not yet Adopted Currently, there are no recently issued accounting standards not yet adopted by us that we expect to be reasonably likely to materially impact the financial position, results of operations or cash flows of the Partnership.

Revenue

Revenue	3 Months Ended
	Mar. 31, 2019
Revenue from Contract with Customer [Abstract]
Revenue	Revenue Performance Obligations As of March 31, 2019 , the aggregate amount of revenues from contracts with customers allocated to performance obligations that were unsatisfied or partially satisfied was approximately $7.9 billion . This amount excludes forward prices related to variable consideration including inflation and foreign currency and commodity prices. Also, this amount excludes the effects of related foreign currency derivative contracts as they do not represent contracts with customers. As of April 1, 2019 we expect to recognize approximately 7.0% of our remaining performance obligations as revenue during the remainder of 2019, an additional 11.0% in 2020 and the balance thereafter. Our off-take contracts expire at various times through 2040 and our terminal services contracts extend into 2026. Variable Consideration Variable consideration from off-take contracts arises from several pricing features outlined in our off-take contracts, pursuant to which such contract pricing may be adjusted in respect of particular shipments to reflect differences between certain contractual quality specifications of the wood pellets as measured both when the wood pellets are loaded onto ships and unloaded at the discharge port as well as certain other contractual adjustments. Variable consideration from terminal services contracts, which was not material for the three months ended March 31, 2019 , arises from price increases based on agreed inflation indices and from above-minimum throughput quantities or services. We allocate variable consideration under our off-take and terminal services contracts entirely to each performance obligation to which variable consideration relates. The estimate of variable consideration represents the amount that is not more likely than not to be reversed. For the three months ended March 31, 2019 , we recognized $0.1 million of revenue related to performance obligations satisfied in previous periods. Contract Balances Accounts receivable related to product sales as of March 31, 2019 and December 31, 2018 were $58.9 million and $51.3 million , respectively. We had $0.2 million and $0.3 million of deferred revenue as of March 31, 2019 and December 31, 2018 , respectively, for future performance obligations associated with off-take contracts.

Significant Risks and Uncertain

Significant Risks and Uncertainties Including Business and Credit Concentrations	3 Months Ended
	Mar. 31, 2019
Risks and Uncertainties [Abstract]
Significant Risks and Uncertainties Including Business and Credit Concentrations	Significant Risks and Uncertainties Including Business and Credit Concentrations Our business is significantly impacted by greenhouse gas emission and renewable energy legislation and regulations in the European Union as well as its member states and Japan. If the European Union, its member states or Japan significantly modify such legislation or regulations, then our ability to enter into new contracts as our existing contracts expire may be materially affected. Our current sales are primarily to industrial customers located in the United Kingdom, Denmark and Belgium. Product sales to third-party customers that accounted for 10% or a greater share of consolidated product sales are as follows: Three Months Ended 2019 2018 Customer A 40 % 38 % Customer B 11 % 7 % Customer C 16 % 6 % Customer D 25 % 34 %

Inventory Impairment and Asset

Inventory Impairment and Asset Disposal	3 Months Ended
	Mar. 31, 2019
Inventory Disclosure [Abstract]
Inventory Impairment and Asset Disposal	Inventory Impairment and Asset Disposal On February 27, 2018, a fire occurred at the Chesapeake terminal, causing damage to equipment and approximately 43,000 MT of wood pellets (the “Chesapeake Incident”). The Chesapeake terminal returned to operations on June 28, 2018. During the three months ended March 31, 2018, we incurred $28.4 million in costs as a result of the Chesapeake Incident related to asset impairment, inventory write-off and disposal costs, emergency response costs, asset repair costs and business continuity costs, the latter of which represented incremental costs to commission temporary wood pellet storage and handling and ship loading operations at nearby locations to meet our contractual obligations to our customers. As of March 31, 2018, we had recovered $8.9 million related to the Chesapeake Incident, which included $1.1 million of lost profits. As of December 31, 2018, $3.8 million of probable insurance recoveries for the then-remaining costs not yet recovered were included in insurance receivables; we received the $3.8 million in probable insurance recoveries (plus $0.5 million recognized as other income) in February 2019.

Inventories

Inventories	3 Months Ended
	Mar. 31, 2019
Inventory Disclosure [Abstract]
Inventories	Inventories Inventories consisted of the following at: March 31, December 31, Raw materials and work-in-process $ 5,594 $ 4,936 Consumable tooling 17,750 17,561 Finished goods 4,655 8,993 Total inventories $ 27,999 $ 31,490

Property, Plant and Equipment

Property, Plant and Equipment	3 Months Ended
	Mar. 31, 2019
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment	Property, Plant and Equipment Property, plant and equipment consisted of the following at: March 31, December 31, Land $ 13,492 $ 13,492 Land improvements 44,990 44,990 Buildings 196,574 196,574 Machinery and equipment 436,630 434,776 Vehicles 635 635 Furniture and office equipment 6,148 6,148 Leasehold improvements 987 987 Property, plant and equipment - in service 699,456 697,602 Less accumulated depreciation (165,929 ) (154,967 ) Property, plant and equipment - in service, net 533,527 542,635 Construction in progress 26,845 14,393 Total property, plant and equipment, net $ 560,372 $ 557,028 Total depreciation expense was $11.2 million and $9.3 million for the three months ended March 31, 2019 and 2018 , respectively. Total interest capitalized related to construction in progress was $0.1 million for the three months ended March 31, 2019. We did no t capitalize interest related to construction in progress during the three months ended March 31, 2018.

Leases

Leases	3 Months Ended
	Mar. 31, 2019
Leases [Abstract]
Leases	Leases We have operating and finance leases related to real estate, machinery, equipment and other assets where we are the lessee. Leases with an initial term of 12 months or less are not recorded on the balance sheet but are recognized as lease expense on a straight-line basis over the applicable lease terms. Amortization of the ROU asset is calculated as the difference between straight-line lease expense and the accretion of interest on the lease liability each period. In addition to fixed lease payments, we have contracts that incur variable lease expense related to usage (e.g. throughput fees, maintenance and repair and machine hours), which are expensed as incurred. Our leases have remaining terms of one to 28 years , some of which include options to extend the leases for up to 5 years . Our leases are generally noncancellable. Certain leases also include options to purchase the leased property. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of exercise. A discount rate is applied to our leases for balance sheet measurement. As rates are not explicitly defined in the operating and finance lease agreements, we use our incremental borrowing rate for purposes of measuring the ROU assets and lease liabilities for recognized leases. This is a secured interest rate which takes into account our credit rating, the term of our leases, as well as the economic environment in which we operate. Each lease uses a secured interest rate with a term commensurate to the identified lease term. Operating leases are included in operating lease right-of-use assets, accrued and other current liabilities and long-term operating lease liabilities on our condensed consolidated balance sheets. Finance leases are included in property, plant and equipment, current portion of long-term debt and finance lease obligations and long-term debt and finance lease obligations on our condensed consolidated balance sheets. Changes in right-of-use assets and operating lease liabilities are included net in change in operating lease liabilities on the condensed consolidated statement of cash flows. Operating lease ROU assets and liabilities and finance leases were as follows at: March 31, Operating leases: Operating lease ROU assets, gross $ 29,490 Accumulated amortization (2,533 ) Operating lease ROU assets, net $ 26,957 Long-term operating lease liabilities $ 27,730 Current portion of operating lease liabilities 1,393 Total operating lease liabilities $ 29,123 Finance leases: Property, plant and equipment, gross $ 8,461 Accumulated depreciation (3,734 ) Property plant and equipment, net $ 4,727 Current portion of long-term finance lease obligations $ 2,754 Long-term finance lease obligations 1,963 Total finance lease liabilities $ 4,717 Operating and finance lease costs were as follows: Lease Cost Classification Three Months Ended Operating lease cost: Fixed lease cost Cost of goods sold $ 1,034 Variable lease cost Cost of goods sold 6 Short-term lease costs Cost of goods sold — Finance lease cost: Amortization of leased assets Depreciation and amortization 719 Variable lease cost Cost of goods sold 4 Interest on lease liabilities Interest expense 52 Total lease cost $ 1,815 Operating and finance lease cash flow information was as follows: Three Months Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 893 Operating cash flows from financing leases 52 Financing cash flows from financing leases 551 Assets obtained in exchange for lease obligations: Operating leases $ — Financing leases 626 The future minimum lease payments and the aggregate maturities of operating and finance lease liabilities are as follows as of March 31, 2019: Years Ending December 31, Operating Leases Finance Leases Total Remainder of 2019 $ 2,689 $ 2,374 $ 5,063 2020 3,224 1,861 5,085 2021 2,939 605 3,544 2022 2,729 46 2,775 2023 2,678 43 2,721 Thereafter 59,320 4 59,324 Total lease payments 73,579 4,933 78,512 Less: imputed interest (44,456 ) (216 ) (44,672 ) Total present value of lease liabilities $ 29,123 $ 4,717 $ 33,840 The future minimum lease payments as of December 31, 2018 for operating and finance lease liabilities were $73.8 million and $4.8 million , respectively. The weighted-average remaining lease terms and discount rates for our operating and finance leases were weighted using the undiscounted future minimum lease payments and are as follows at: March 31, 2019 Weighted average remaining lease term (years): Operating leases 27 Finance leases 2 Weighted average discount rate: Operating leases 8 % Finance leases 5 %
Leases	Leases We have operating and finance leases related to real estate, machinery, equipment and other assets where we are the lessee. Leases with an initial term of 12 months or less are not recorded on the balance sheet but are recognized as lease expense on a straight-line basis over the applicable lease terms. Amortization of the ROU asset is calculated as the difference between straight-line lease expense and the accretion of interest on the lease liability each period. In addition to fixed lease payments, we have contracts that incur variable lease expense related to usage (e.g. throughput fees, maintenance and repair and machine hours), which are expensed as incurred. Our leases have remaining terms of one to 28 years , some of which include options to extend the leases for up to 5 years . Our leases are generally noncancellable. Certain leases also include options to purchase the leased property. The depreciable life of assets and leasehold improvements are limited by the expected lease term, unless there is a transfer of title or purchase option reasonably certain of exercise. A discount rate is applied to our leases for balance sheet measurement. As rates are not explicitly defined in the operating and finance lease agreements, we use our incremental borrowing rate for purposes of measuring the ROU assets and lease liabilities for recognized leases. This is a secured interest rate which takes into account our credit rating, the term of our leases, as well as the economic environment in which we operate. Each lease uses a secured interest rate with a term commensurate to the identified lease term. Operating leases are included in operating lease right-of-use assets, accrued and other current liabilities and long-term operating lease liabilities on our condensed consolidated balance sheets. Finance leases are included in property, plant and equipment, current portion of long-term debt and finance lease obligations and long-term debt and finance lease obligations on our condensed consolidated balance sheets. Changes in right-of-use assets and operating lease liabilities are included net in change in operating lease liabilities on the condensed consolidated statement of cash flows. Operating lease ROU assets and liabilities and finance leases were as follows at: March 31, Operating leases: Operating lease ROU assets, gross $ 29,490 Accumulated amortization (2,533 ) Operating lease ROU assets, net $ 26,957 Long-term operating lease liabilities $ 27,730 Current portion of operating lease liabilities 1,393 Total operating lease liabilities $ 29,123 Finance leases: Property, plant and equipment, gross $ 8,461 Accumulated depreciation (3,734 ) Property plant and equipment, net $ 4,727 Current portion of long-term finance lease obligations $ 2,754 Long-term finance lease obligations 1,963 Total finance lease liabilities $ 4,717 Operating and finance lease costs were as follows: Lease Cost Classification Three Months Ended Operating lease cost: Fixed lease cost Cost of goods sold $ 1,034 Variable lease cost Cost of goods sold 6 Short-term lease costs Cost of goods sold — Finance lease cost: Amortization of leased assets Depreciation and amortization 719 Variable lease cost Cost of goods sold 4 Interest on lease liabilities Interest expense 52 Total lease cost $ 1,815 Operating and finance lease cash flow information was as follows: Three Months Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 893 Operating cash flows from financing leases 52 Financing cash flows from financing leases 551 Assets obtained in exchange for lease obligations: Operating leases $ — Financing leases 626 The future minimum lease payments and the aggregate maturities of operating and finance lease liabilities are as follows as of March 31, 2019: Years Ending December 31, Operating Leases Finance Leases Total Remainder of 2019 $ 2,689 $ 2,374 $ 5,063 2020 3,224 1,861 5,085 2021 2,939 605 3,544 2022 2,729 46 2,775 2023 2,678 43 2,721 Thereafter 59,320 4 59,324 Total lease payments 73,579 4,933 78,512 Less: imputed interest (44,456 ) (216 ) (44,672 ) Total present value of lease liabilities $ 29,123 $ 4,717 $ 33,840 The future minimum lease payments as of December 31, 2018 for operating and finance lease liabilities were $73.8 million and $4.8 million , respectively. The weighted-average remaining lease terms and discount rates for our operating and finance leases were weighted using the undiscounted future minimum lease payments and are as follows at: March 31, 2019 Weighted average remaining lease term (years): Operating leases 27 Finance leases 2 Weighted average discount rate: Operating leases 8 % Finance leases 5 %

Derivative Instruments

Derivative Instruments	3 Months Ended
	Mar. 31, 2019
Derivative Instrument Detail [Abstract]
Derivative Instruments	Derivative Instruments We use derivative instruments to partially offset our business exposure to foreign currency exchange and interest rate risk. We may enter into foreign currency forward and option contracts to offset some of the foreign currency exchange risk on our expected future cash flows and interest rate swaps to offset some of the interest rate risk on our expected future cash flows from certain borrowings. Our derivative instruments expose us to credit risk to the extent that our hedge counterparties may be unable to meet the terms of the applicable derivative instrument. We seek to mitigate such risks by limiting our counterparties to major financial institutions. In addition, we monitor the potential risk of loss with any one counterparty resulting from credit risk. Management does not expect material losses as a result of defaults by counterparties. We use derivative instruments to manage cash flow and not for speculative or trading purposes. Cash Flow Hedges For qualifying cash flow hedges, the effective and ineffective portion of the gain or loss on the change in fair value is initially reported as a component of accumulated other comprehensive income in partners’ capital and subsequently reclassified into earnings when the hedged exposure affects earnings. Prior to January 1, 2019 and the adoption of ASU 2017-12 (see Note 2, Significant Accounting Policies ), the ineffective portion of the gain or loss, if any, was reported in earnings in the current period. We considered our cash flow hedges to be highly effective at inception. Changes in fair value for derivative instruments not designated as hedging instruments are recognized in earnings. Foreign Currency Exchange Risk We are primarily exposed to fluctuations in foreign currency exchange rates related to off-take contracts that require future deliveries of wood pellets to be settled in British Pound Sterling (“GBP”) and Euro (“EUR”). We have entered and may continue to enter into foreign currency forward contracts, purchased option contracts or other instruments to partially manage this risk and, prior to August 2018, had designated certain of these instruments as cash flow hedges. Interest Rate Risk We are exposed to fluctuations in interest rates on borrowings under our senior secured revolving credit facility. We have entered into a pay-fixed, receive-variable interest rate swap that expires in April 2020 to hedge the interest rate risk associated with our variable rate borrowings under our senior secured revolving credit facility. The interest rate swap is designated and qualifies as a cash flow hedge. The fair value of derivative instruments as of March 31, 2019 and December 31, 2018 were as follows: Asset (Liability) Balance Sheet Classification March 31, 2019 December 31, 2018 Designated as hedging instruments: Interest rate swap Other current assets $ 328 $ 508 Other long-term assets 99 118 Total derivatives designated as hedging instruments $ 427 $ 626 Not designated as hedging instruments: Foreign currency exchange forward contracts: Prepaid and other current assets $ 1,012 $ 794 Other long-term assets 800 1,810 Accrued and other current liabilities (388 ) (68 ) Other long-term liabilities (415 ) (179 ) Foreign currency purchased option contracts: Prepaid and other current assets 49 22 Other long-term assets 2,189 3,348 Total derivatives not designated as hedging instruments $ 3,247 $ 5,727 Net losses related to the change in fair market value of derivative instruments not designated as hedging instruments were $2.0 million and $0.8 million during the three months ended March 31, 2019 and 2018, respectively, and are included in product sales. Realized gains related to derivatives settled during the period were $0.1 million and $0.3 million during the three months ended March 31, 2019 and 2018, respectively, and are included in product sales. As a result of our adoption of ASU 2017-12 on January 1, 2019 (see Note 2, Significant Accounting Policies ), an insignificant amount of a cumulative effect of the accounting change was recognized to accumulated other comprehensive income to reflect that change of recognizing ineffectiveness related to designated and qualifying cash flow hedges in other comprehensive loss rather than net loss. The effects of instruments that were designated as cash flow hedges and the related changes in accumulated other comprehensive loss and the gains and losses recognized in earnings for the three months ended March 31, 2019 were as follows: Amount of Loss in Other Location of Amount of Interest rate swap (55 ) Interest expense 107 The effects of instruments that were designated as cash flow hedges and the related changes in accumulated other comprehensive loss and the gains and losses recognized in earnings for the three months ended March 31, 2018 were as follows: Amount of (Loss) Gain Location of Amount of Location of (Loss) Gain Amount of Gain Foreign currency exchange forward contracts $ (1,325 ) Product sales $ — Product sales $ (1 ) Foreign currency exchange purchased option contracts (323 ) Product sales — Product sales — Interest rate swap 320 Interest expense (1 ) Interest expense 1 We enter into master netting arrangements, which are designed to permit net settlement of derivative transactions among the respective counterparties. If we had settled all transactions with our respective counterparties at March 31, 2019 , we would have received a net settlement termination payment of $3.7 million , which differs insignificantly from the recorded fair value of the derivatives. We present our derivative assets and liabilities at their gross fair values. The notional amounts of outstanding derivative instruments associated with outstanding or unsettled derivative instruments were as follows: March 31, December 31, Foreign exchange forward contracts in GBP £ 39,435 £ 42,170 Foreign exchange purchased option contracts in GBP £ 39,365 £ 39,365 Foreign exchange forward contracts in EUR € 7,000 € 14,300 Foreign exchange purchased option contracts in EUR € 1,675 € 1,675 Interest rate swap $ 38,460 $ 39,829

Fair Value Measurements

Fair Value Measurements	3 Months Ended
	Mar. 31, 2019
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements The amounts reported in the unaudited condensed consolidated balance sheets as cash and cash equivalents, accounts receivable, insurance receivables, related-party receivables, prepaid expenses and other current assets, accounts payable, related-party payables and accrued liabilities, and accrued and other current liabilities approximate fair value because of the short-term nature of these instruments. Derivative instruments and long-term debt and finance lease obligations, including the current portion, are classified as Level 2 instruments. The fair value of our senior notes (see Note 11, Long-Term Debt and Finance Lease Obligations – Senior Notes Due 2021 ) was determined based on observable market prices in a less active market and was categorized as Level 2 in the fair value hierarchy. The fair value of other long-term debt and finance lease obligations classified as Level 2 was determined based on the usage of market prices not quoted on active markets and other observable market data. The fair value of long-term debt and finance lease obligations are based upon rates currently available for debt and finance lease obligations with similar terms and remaining maturities. The carrying amount of derivative instruments approximates fair value. The carrying amount and estimated fair value of long-term debt and finance lease obligations as of March 31, 2019 and December 31, 2018 were as follows: March 31, 2019 December 31, 2018 Carrying Amount Fair Value Carrying Amount Fair Value Senior notes $ 353,008 $ 368,095 $ 352,843 $ 359,943 Other long-term debt and finance lease obligations 125,729 125,730 79,812 79,812 Total long-term debt and finance lease obligations $ 478,737 $ 493,825 $ 432,655 $ 439,755

Long-Term Debt and Finance Leas

Long-Term Debt and Finance Lease Obligations	3 Months Ended
	Mar. 31, 2019
Debt Disclosure [Abstract]
Long-Term Debt and Finance Lease Obligations	Long-Term Debt and Finance Lease Obligations Long-term debt and finance lease obligations at carrying value are composed of the following: March 31, December 31, Senior notes, net of unamortized discount, premium and debt issuance of $2.0 million as of March 31, 2019 and $2.2 million as of December 31, 2018 $ 353,008 $ 352,843 Senior secured revolving credit facility 119,000 73,000 Other loans 2,012 2,015 Finance leases 4,717 4,797 Total long-term debt and finance lease obligations 478,737 432,655 Less current portion of long-term debt and finance lease obligations (2,762 ) (2,722 ) Long-term debt and finance lease obligations, excluding current installments $ 475,975 $ 429,933 Senior Notes Due 2021 As of March 31, 2019 and December 31, 2018 , we were in compliance with all covenants and restrictions associated with, and no events of default existed under, our 8.5% senior unsecured notes due 2021. Our obligations under the senior notes are guaranteed by certain of our subsidiaries. Senior Secured Revolving Credit Facility As of March 31, 2019 and December 31, 2018 , we were in compliance with all covenants and restrictions associated with, and no events of default existed under, our senior secured revolving credit facility. Our obligations under the senior secured revolving credit facility are guaranteed by certain of our subsidiaries and secured by liens on substantially all of our assets.

Related-Party Transactions

Related-Party Transactions	3 Months Ended
	Mar. 31, 2019
Related Party Transactions [Abstract]
Related-Party Transactions	Related-Party Transactions Related-party transaction amounts included on the unaudited condensed consolidated statements of operations were as follows: Three Months Ended March 31, 2019 2018 Other revenue $ 592 $ 1,232 Cost of goods sold 19,998 15,139 General and administrative expenses 4,213 3,964 Management Services Agreement Pursuant to a management services agreement (the “MSA”) with Enviva Management Company, LLC (“Enviva Management”), a wholly owned subsidiary of the sponsor, Enviva Management provides us with operations, general administrative, management and other services (the “Services”). We are required to reimburse Enviva Management for the amount of all direct or indirect internal or third-party expenses incurred by Enviva Management in connection with the provision of the Services. The MSA fee charged by Enviva Holdings, LP to us includes rent related amounts for non-cancelable operating leases for office space in Maryland and North Carolina held by Enviva Holdings, LP. During the three months ended March 31, 2019 , $13.6 million related to the MSA was included in cost of goods sold and $4.2 million was included in general and administrative expenses. As of March 31, 2019 , $0.9 million incurred under the MSA was included in finished goods inventory. During the three months ended March 31, 2018 , $8.7 million related to the MSA was included in cost of goods sold and $4.0 million was included in general and administrative expenses. As of March 31, 2019 and December 31, 2018 , we had $9.0 million and $19.0 million , respectively, included in related-party payables primarily related to the MSA. Common Control Transactions In October 2017, we acquired from Enviva Wilmington Holdings, LLC (the “First JV”), a joint venture between our sponsor and John Hancock Life Insurance Company (U.S.A.) and certain of its affiliates, all of the issued and outstanding limited liability company interests in Enviva Port of Wilmington, LLC (“Wilmington”), which owns the Wilmington terminal assets (the “Wilmington Drop-Down”), for total consideration of $130.0 million , subject to certain conditions. The Wilmington Drop-Down included the Wilmington terminal assets and a long-term terminal services agreement with our sponsor (the “Holdings TSA”) to handle throughput volumes sourced from Greenwood. The purchase price included $74.0 million of deferred consideration, which is reflected on the condensed consolidated balance sheets as of March 31, 2019 and December 31, 2018 . We paid in full the $74.0 million in deferred consideration for the Wilmington Drop-Down to the First JV on April 1, 2019. See Note 17, Subsequent Events . In March 2019, Wilmington entered into a long-term terminal services agreement (the “Wilmington Hamlet TSA”) with the First JV and Enviva Pellets Hamlet, LLC (“Hamlet”) to receive, store and load wood pellets from the First JV’s production plant under construction in Hamlet, North Carolina (the “Hamlet plant”) following notice of the anticipated first delivery of wood pellets to the Wilmington terminal from the Hamlet plant. The Wilmington Hamlet TSA provides for deficiency payments to Wilmington if minimum throughput requirements are not met. Related-Party Indemnification We acquired Enviva Pellets Sampson, LLC (“Sampson”) from the First JV in December 2016 (the “Sampson Drop-Down”). Sampson owns a wood pellet production plant in Sampson County, North Carolina (the “Sampson plant”). In connection with the Sampson Drop-Down and the Wilmington Drop-Down, the First JV agreed to indemnify us, our affiliates and our respective officers, directors, managers, counsel, agents and representatives from all costs and losses arising from certain vendor liabilities and claims related to the construction of the Sampson plant and the Wilmington terminal that were included in the net assets acquired. As of March 31, 2019 and December 31, 2018 , the related-party receivable associated with such amounts was $4.5 million and $0.3 million , respectively. Greenwood Contract In February 2018, we entered into a contract with Greenwood to purchase wood pellets produced by the Greenwood plant through March 2022. We have a take-or-pay obligation with respect to 550,000 metric tons per year (“MTPY”) of wood pellets from July 2019 through March 2022. During the three months ended March 31, 2019 , we purchased $10.5 million of wood pellets and recorded a cost of cover deficiency fee from Greenwood of approximately $2.9 million from Greenwood as Greenwood was unable to satisfy certain commitments. Of the net $7.6 million , $7.5 million is included in cost of goods sold and $0.1 million is included in finished goods inventory as of March 31, 2019 . During the three months ended March 31, 2018 , we purchased $3.7 million of wood pellets from Greenwood, of which $3.1 million is included in cost of goods sold. As of March 31, 2019 , $4.3 million is included in related-party payables related to our wood pellet purchases from Greenwood and $3.6 million is included in related-party receivables related to Greenwood’s cost of cover deficiency fee. As of December 31, 2018, $7.9 million is included in related-party payables related to our wood pellet purchases from Greenwood. Holdings TSA Pursuant to the Holdings TSA, our sponsor agreed to deliver a minimum of 125,000 MT of wood pellets per quarter for receipt, storage, handling and loading services by the Wilmington terminal and pay a fixed fee on a per-ton basis for such terminal services. The Holdings TSA remains in effect until September 1, 2026. We did no t record any terminal services revenue from our sponsor during the three months ended March 31, 2019 . During the three months ended March 31, 2018 , we recorded $0.8 million as terminal services revenue from our sponsor, which is included in other revenue. In February 2018, our sponsor amended and assigned the Holdings TSA to Greenwood. Deficiency payments are due to Wilmington if quarterly minimum throughput requirements are not met. During the three months ended March 31, 2019 and 2018, we recorded $0.6 million and $0.4 million , respectively, of deficiency fees from Greenwood, which is included in other revenue. Biomass Option Agreement – Enviva Holdings, LP Enviva, LP purchased $1.7 million of wood pellets from our sponsor during the three months ended March 31, 2018 pursuant to a biomass option agreement. The wood pellet purchase amounts are included in cost of goods sold. The biomass option agreement terminated in accordance with its terms in March 2018. EVA-MGT Contracts In January 2016, we entered into a contract (the “EVA‑MGT Contract”) with the First JV to supply 375,000 MTPY of wood pellets to MGT Teesside Limited’s Tees Renewable Energy Plant (the “Tees REP”), which is under development. As amended, the EVA-MGT Contract commences in 2019, ramps to full supply in 2021 and continues through 2034. The EVA-MGT Contract is denominated in U.S. Dollars for commissioning volumes in 2019 and in GBP thereafter. We entered into a second supply agreement with the First JV in connection with the Sampson Drop-Down to supply an additional 95,000 MTPY of the contracted volume to the Tees REP. The contract, which is denominated in GBP, commences in 2020 and continues through 2034. Enviva FiberCo, LLC We purchase raw materials from Enviva FiberCo, LLC (“FiberCo”), a wholly owned subsidiary of our sponsor. During the three months ended March 31, 2019 , we purchased raw materials of $1.9 million from FiberCo. Offsetting the raw material purchases during the three months ended March 31, 2019, we recognized $2.9 million of cost of cover deficiency fees from FiberCo under a wood supply master agreement as FiberCo was unable to satisfy certain commitments, which is included in related-party receivables as of March 31, 2019. During the three months ended March 31, 2018 we purchased raw materials of $1.7 million from FiberCo. No cost of cover deficiency fees were recognized during the three months ended March 31, 2018. Long-Term Incentive Plan Vesting As of March 31, 2019 , we had $1.9 million included in related-party payables related to withholding tax amounts due to Enviva Management associated with the vesting of time-based phantom units under the Enviva Partners, LP Long-Term Incentive Plan (“LTIP”).

Partners' Capital

Partners' Capital	3 Months Ended
	Mar. 31, 2019
Partners' Capital Notes [Abstract]
Partners' Capital	Partners’ Capital Common Units - Issuance During March 2019, we issued 3,508,778 common units in a registered direct offering for net proceeds of approximately $97.0 million , net of $3.0 million of issuance costs which was included in accrued and other current liabilities. Incentive Distribution Rights Incentive distribution rights (“IDRs”) represent the right to receive increasing percentages (from 15.0% to 50.0% ) of quarterly distributions from operating surplus after distributions in amounts exceeding specified target distribution levels have been achieved by the Partnership. Our general partner (“General Partner”) currently holds the IDRs, but may transfer these rights at any time. At-the-Market Offering Program Pursuant to an equity distribution agreement dated August 8, 2016, we may offer and sell common units from time to time through a group of managers, subject to the terms and conditions set forth in such agreement, of up to an aggregate sales amount of $100.0 million (the “ATM Program”). During the three months ended March 31, 2019 , we did no t sell common units under the ATM Program. During the three months ended March 31, 2018 , we sold 8,408 common units under the ATM Program for net proceeds of $0.2 million , net of an insignificant amount of commissions. Net proceeds from sales under the ATM Program were used for general partnership purposes.

Equity-Based Awards

Equity-Based Awards	3 Months Ended
	Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Equity-Based Awards	Equity-Based Awards The following table summarizes information regarding phantom unit awards (the “Affiliate Grants”) under the LTIP to employees of Enviva Management who provide services to the Partnership: Time-Based Phantom Units Performance-Based Phantom Units Total Affiliate Grant Phantom Units Units Weighted- Average Grant Date Fair Value (per unit)(1) Units Weighted- Average Grant Date Fair Value (per unit)(1) Units Weighted- Average Grant Date Fair Value (per unit)(1) Nonvested December 31, 2018 723,940 $ 25.91 239,512 $ 27.65 963,452 $ 26.34 Granted 334,884 $ 30.16 206,409 $ 30.16 541,293 $ 30.16 Forfeitures (2,881 ) $ 26.43 — $ — (2,881 ) $ 26.43 Vested (141,794 ) $ 18.19 — $ — (141,794 ) $ 18.19 Nonvested March 31, 2019 914,149 $ 28.66 445,921 $ 28.81 1,360,070 $ 28.71 ______________________________________________________________ (1) Determined by dividing the aggregate grant date fair value of awards by the number of awards issued. As of March 31, 2019 , $1.9 million is included in related-party payables to Enviva Management to satisfy tax-withholding requirements associated with 141,794 time-based phantom awards that vested under the LTIP during the three months ended March 31, 2019 . During the three months ended March 31, 2018, we paid $2.3 million to the General Partner, which acquired common units from a wholly owned subsidiary of our sponsor for delivery to the recipients under the LTIP. We also paid $1.7 million during the three months ended March 31, 2018 to Enviva Management to satisfy the tax-withholding requirements associated with such common units under the MSA. The following table summarizes information regarding phantom unit awards to certain non-employee directors of the General Partner (the “Director Grants”) under the LTIP: Time-Based Phantom Units Units Weighted- Average Grant Date Fair Value (per unit)(1) Nonvested December 31, 2018 13,964 $ 28.65 Granted 13,444 $ 30.16 Vested (13,964 ) $ 28.65 Nonvested March 31, 2019 13,444 $ 30.16 In February 2019, Director Grants valued at $0.4 million were granted and vest on the first anniversary of the grant date. In February 2019, the Director Grants that were nonvested at December 31, 2018 vested, and common units were issued in respect of such vested Director Grants. Distribution Equivalent Rights Unpaid distribution equivalent rights (“DERs”) amounts related to the performance-based Affiliate Grants at March 31, 2019 were $1.0 million , of which $0.5 million are included in accrued liabilities and $0.5 million are included in other long-term liabilities on the condensed consolidated balance sheets. Unpaid DER amounts related to the performance-based Affiliate Grants at December 31, 2018 were $0.7 million , of which $0.4 million are included in accrued liabilities and $0.3 million are included in other long-term liabilities. Paid DER distributions related to the time-based Affiliate Grants were $0.9 million for the three months ended March 31, 2019 . Paid DER distributions related to the time-based Affiliate Grants were $0.5 million for the three months ended March 31, 2018 . At March 31, 2019 and December 31, 2018, $0.6 million and $0.9 million , respectively, of DER distributions were included in related-party accrued liabilities.

Income Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Our operations are organized as limited partnerships and entities that are disregarded entities for federal and state income tax purposes. As a result, we are not subject to U.S. federal and most state income taxes. The unitholders of the Partnership are liable for these income taxes on their share of our taxable income. Some states impose franchise and capital taxes on the Partnership. Such taxes are not material to the condensed consolidated financial statements and have been included in other income (expense) as incurred. As of March 31, 2019 , the only periods subject to examination for federal and state income tax returns are 2015 through 2018 . We believe our income tax filing positions, including our status as a pass-through entity, would be sustained on audit and do not anticipate any adjustments that would result in a material change to our unaudited condensed consolidated balance sheet. Therefore, no reserves for uncertain tax positions or interest and penalties have been recorded. For the three months ended March 31, 2019 and 2018 , no provision for federal or state income taxes has been recorded in the condensed consolidated financial statements.

Net Income (Loss) per Limited P

Net Income (Loss) per Limited Partner Unit	3 Months Ended
	Mar. 31, 2019
Earnings Per Share [Abstract]
Net Income (Loss) per Limited Partner Unit	Net Income (Loss) per Limited Partner Unit Net income (loss) per unit applicable to limited partners is computed by dividing limited partners’ interest in net income (loss), after deducting any incentive distributions, by the weighted-average number of outstanding common units. Our net income (loss) is allocated to the limited partners in accordance with their respective ownership percentages, after giving effect to priority income allocations for incentive distributions, if any, to the holder of the IDRs, which are declared and paid following the close of each quarter. Earnings in excess of distributions are allocated to the limited partners based on their respective ownership interests. Payments made to our unitholders are determined in relation to actual distributions declared and are not based on the net income (loss) allocations used in the calculation of earnings per unit. On May 30, 2018, the requirements under our partnership agreement for the conversion of all of our subordinated units into common units were satisfied and the subordination period for such subordinated units ended. As a result, all of our 11,905,138 outstanding subordinated units converted into common units on a one -for-one basis. The conversion did not impact the amount of the cash distribution paid or the total number of our outstanding units representing limited partner interests. Our net income (loss) was allocated to the General Partner and the limited partners, including the holders of the subordinated units and IDR holders, in accordance with our partnership agreement. In addition to the common units, we have also identified the IDRs and phantom units as participating securities and use the two-class method when calculating the net income (loss) per unit applicable to limited partners, which is based on the weighted-average number of common units and subordinated units outstanding during the period. Diluted net income per unit includes the effects of potentially dilutive time-based and performance-based phantom units on our common units. Basic and diluted earnings per unit previously applicable to subordinated limited partner units were the same because there are no potentially dilutive subordinated units outstanding. The following computation of net income (loss) per limited partner unit is as follows for the three months ended March 31, 2019 and 2018 : Three Months Ended March 31, 2019 Common Units General Partner Weighted-average common units outstanding—basic 26,759 — Effect of nonvested phantom units — — Weighted-average common units outstanding—diluted 26,759 — Three Months Ended March 31, 2019 Common Units General Partner Total Distributions declared $ 21,580 $ 2,270 $ 23,850 Earnings less than distributions (32,773 ) — (32,773 ) Net (loss) income attributable to partners $ (11,193 ) $ 2,270 $ (8,923 ) Weighted-average units outstanding—basic 26,759 Weighted-average units outstanding—diluted 26,759 Net loss per limited partner unit—basic $ (0.42 ) Net loss per limited partner unit—diluted $ (0.42 ) Three Months Ended March 31, 2018 Common Units Subordinated Units General Partner Weighted-average common units outstanding—basic 14,438 11,905 — Effect of nonvested phantom units — — — Weighted-average common units outstanding—diluted 14,438 11,905 — Three Months Ended March 31, 2018 Common Units Subordinated Units General Partner Total Distributions declared $ 9,066 $ 7,441 $ 1,264 $ 17,771 Earnings less than distributions (20,380 ) (16,726 ) — (37,106 ) Net (loss) income attributable to partners $ (11,314 ) $ (9,285 ) $ 1,264 $ (19,335 ) Weighted-average units outstanding—basic 14,438 11,905 Weighted-average units outstanding—diluted 14,438 11,905 Net loss per limited partner unit—basic $ (0.78 ) $ (0.78 ) Net loss per limited partner unit—diluted $ (0.78 ) $ (0.78 ) Cash Distributions to Unitholders Distributions that have been paid or declared related to the reporting period are considered in the determination of earnings per unit. The following table details the cash distribution paid or declared (in millions, except per-unit amounts): Quarter Ended Declaration Date Record Date Payment Date Distribution Per Unit Total Cash Distribution Total Payment to General Partner for Incentive Distribution Rights March 31, 2018 May 3, 2018 May 15, 2018 May 29, 2018 $ 0.6250 $ 16.5 $ 1.3 June 30, 2018 August 1, 2018 August 15, 2018 August 29, 2018 $ 0.6300 $ 16.7 $ 1.4 September 30, 2018 October 31, 2018 November 15, 2018 November 29, 2018 $ 0.6350 $ 16.8 $ 1.5 December 31, 2018 January 29, 2019 February 15, 2019 February 28, 2019 $ 0.6400 $ 17.0 $ 1.7 March 31, 2019 May 2, 2019 May 15, 2019 May 29, 2019 $ 0.6450 $ 21.6 $ 2.3 Distributions to be made in future periods based on the current period calculation of cash available for distribution are allocated to each class of equity that will receive the distribution. Any unpaid cumulative distributions are allocated to the appropriate class of equity. We determine the amount of cash available for distribution for each quarter in accordance with our partnership agreement. The amount to be distributed to common unitholders and IDR holders is based on the distribution waterfall set forth in our partnership agreement. Net earnings for the quarter are allocated to each class of partnership interest based on the distributions to be made. On May 30, 2018, the subordination period ended in accordance with our partnership agreement and the subordinated units were converted into common units on a one -for-one basis (see Note 16, Net Income (Loss) per Limited Partner Unit ).

Subsequent Events

Subsequent Events	3 Months Ended
	Mar. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On April 1, 2019, we paid $74.0 million to the First JV in deferred consideration for the Wilmington Drop-Down (the “Second Payment”). The Second Payment consisted of (i) approximately $24.0 million in cash, of which approximately $23.0 million was distributed to John Hancock Life Insurance Company (U.S.A.) and approximately $1.0 million was retained by the First JV, and (ii) the issuance of 1,691,627 common units, or approximately $50.0 million in common units, which were distributed to John Hancock Life Insurance Company (U.S.A.), in connection with which we entered into a registration rights agreement covering the resale of such common units. On April 2, 2019, we acquired all of the issued and outstanding Class B Units of the First JV from our sponsor and our sponsor assigned to us our sponsor’s position as lender under an amended and restated credit agreement dated June 30, 2018 between the First JV and our sponsor for total consideration of $165.0 million , subject to certain adjustments (the “Hamlet Transaction”). Such consideration is comprised of (i) the issuance of 1,681,237 common units, or approximately $50.0 million in common units, and approximately $25.0 million in cash, paid on April 2, 2019, (ii) $50.0 million in cash to be paid upon commencement of commercial operations of the Hamlet plant, expected in the second quarter of 2019 (“COD”), and (iii) $40.0 million in cash to be paid upon the later of COD and January 2, 2020. The First JV owns the Hamlet plant and a firm, 15 -year take-or-pay off-take contract, which adds incremental sales volumes of approximately 500,000 MTPY to our product sales backlog.

Supplemental Guarantor Informat

Supplemental Guarantor Information	3 Months Ended
	Mar. 31, 2019
Condensed Financial Information Disclosure [Abstract]
Supplemental Guarantor Information	Supplemental Guarantor Information The Partnership and its wholly owned finance subsidiary, Enviva Partners Finance Corp., are the co-issuers of our senior notes on a joint and several basis. The Partnership has no material independent assets or operations. The senior notes are guaranteed on a senior unsecured basis by certain of the Partnership’s direct and indirect wholly owned subsidiaries (excluding Enviva Partners Finance Corp. and certain recently formed immaterial subsidiaries) and will be guaranteed by the Partnership’s future restricted subsidiaries that guarantee certain of its other indebtedness (collectively, the “Subsidiary Guarantors”). The guarantees are full and unconditional and joint and several. Each of the Subsidiary Guarantors is directly or indirectly 100% owned by the Partnership. Enviva Partners Finance Corp. is a finance subsidiary formed for the purpose of being the co-issuer of the Senior Notes. Other than certain restrictions arising under the senior secured revolving credit facility and the indenture governing the senior notes (see Note 11, Long-Term Debt and Finance Lease Obligations), there are no significant restrictions on the ability of any restricted subsidiary to (i) pay dividends or make any other distributions to the Partnership or any of its restricted subsidiaries or (ii) make loans or advances to the Partnership or any of its restricted subsidiaries.

Significant Accounting Polici_2

Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2019
Accounting Policies [Abstract]
Use of Estimates	Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make judgments, estimates and assumptions that affect the amounts reported in our unaudited financial statements and accompanying notes. Actual results could differ materially from those estimates.
Adopted and Recently Issued Accounting Standards	Accounting Standards Adopted Leases ASU 2016-02 established a right-of-use (“ROU”) model that requires lessees to recognize a ROU asset and corresponding lease liability on the balance sheet for all leases with a term of longer than 12 months and classify leases as operating or finance. Operating lease expense is recorded in a single financial statement line item on a straight-line basis over the lease term. Amortization of the ROU asset is the calculated difference between straight-line lease expense and the accretion of interest on the lease liability each period. We adopted ASU 2016-02 on and as of January 1, 2019 using the modified retrospective transition method, which we applied to all leases existing at the date of initial application of the ASU. We elected to use the effective date as the date of initial application, as opposed to the beginning of the earliest comparative period presented in the financial statements; consequently, financial information and disclosures are not presented under the new standard for periods prior to January 1, 2019. We elected the package of three practical expedients under the transition guidance within the new standard, which permitted us to reassess our prior conclusions under the previous guidance concerning lease identification, lease classification and initial direct leasing costs. We elected the practical expedient to not evaluate existing or expired land easements that were not accounted for as leases under previous guidance. We did not, however, elect the separate practical expedient pertaining to the use of hindsight in determining the lease term for existing leases. We have a significant contract containing both lease and nonlease components, which are accounted for separately. As this contract has fixed payments, the allocation of lease and nonlease components is based on relative standalone price. The adoption of the new standard as of January 1, 2019 resulted in the recognition of operating lease ROU assets of $27.4 million , net of $2.1 million of deferred rent liabilities existing as of December 31, 2018, and operating lease liabilities of $29.5 million for operating leases related to real estate, machinery and equipment and other operating leases with terms of longer than 12 months. The amounts recognized as of January 1, 2019 were based on the present value of the remaining minimum rental payments under previous leasing standards for existing operating leases. The classification of a lease affects the pattern and classification of expense recognition in the income statement, which is unchanged from under the previous accounting method. The adoption of the new standard did not change our accounting for finance leases (which were described as “capital leases” under the previous standard) or impact our results of operations and cash flows. See Note 8, Leases . Derivative Instruments We adopted ASU 2017-12 on and as of January 1, 2019 using the modified retrospective method, which requires the recognition of the cumulative effect of the change on the opening balance of each affected component of equity in the statement of changes in partner’s capital as of the date of adoption of the new standard. Upon adoption of ASU 2017-12, we no longer measure and recognize ineffectiveness related to designated and qualifying cash flow hedges in earnings; as a result, any ineffectiveness is included in accumulated other comprehensive income. On January 1, 2019, we recorded a nominal cumulative effect adjustment to accumulated other comprehensive income and common units in partners’ capital. See Note 9, Derivatives . Recently Issued Accounting Standards not yet Adopted Currently, there are no recently issued accounting standards not yet adopted by us that we expect to be reasonably likely to materially impact the financial position, results of operations or cash flows of the Partnership.

Significant Risks and Uncerta_2

Significant Risks and Uncertainties Including Business and Credit Concentrations (Tables)	3 Months Ended
	Mar. 31, 2019
Risks and Uncertainties [Abstract]
Schedule of revenue from major customers	Product sales to third-party customers that accounted for 10% or a greater share of consolidated product sales are as follows: Three Months Ended 2019 2018 Customer A 40 % 38 % Customer B 11 % 7 % Customer C 16 % 6 % Customer D 25 % 34 %

Inventories (Tables)

Inventories (Tables)	3 Months Ended
	Mar. 31, 2019
Inventory Disclosure [Abstract]
Schedule of inventories	Inventories consisted of the following at: March 31, December 31, Raw materials and work-in-process $ 5,594 $ 4,936 Consumable tooling 17,750 17,561 Finished goods 4,655 8,993 Total inventories $ 27,999 $ 31,490

Property, Plant and Equipment (

Property, Plant and Equipment (Tables)	3 Months Ended
	Mar. 31, 2019
Property, Plant and Equipment [Abstract]
Schedule of property, plant and equipment	Property, plant and equipment consisted of the following at: March 31, December 31, Land $ 13,492 $ 13,492 Land improvements 44,990 44,990 Buildings 196,574 196,574 Machinery and equipment 436,630 434,776 Vehicles 635 635 Furniture and office equipment 6,148 6,148 Leasehold improvements 987 987 Property, plant and equipment - in service 699,456 697,602 Less accumulated depreciation (165,929 ) (154,967 ) Property, plant and equipment - in service, net 533,527 542,635 Construction in progress 26,845 14,393 Total property, plant and equipment, net $ 560,372 $ 557,028

Leases (Tables)

Leases (Tables)	3 Months Ended
	Mar. 31, 2019
Leases [Abstract]
Operating lease ROU assets and liabilities and finance leases	Operating lease ROU assets and liabilities and finance leases were as follows at: March 31, Operating leases: Operating lease ROU assets, gross $ 29,490 Accumulated amortization (2,533 ) Operating lease ROU assets, net $ 26,957 Long-term operating lease liabilities $ 27,730 Current portion of operating lease liabilities 1,393 Total operating lease liabilities $ 29,123 Finance leases: Property, plant and equipment, gross $ 8,461 Accumulated depreciation (3,734 ) Property plant and equipment, net $ 4,727 Current portion of long-term finance lease obligations $ 2,754 Long-term finance lease obligations 1,963 Total finance lease liabilities $ 4,717
Operating and finance lease cash flow information	The weighted-average remaining lease terms and discount rates for our operating and finance leases were weighted using the undiscounted future minimum lease payments and are as follows at: March 31, 2019 Weighted average remaining lease term (years): Operating leases 27 Finance leases 2 Weighted average discount rate: Operating leases 8 % Finance leases 5 % Operating and finance lease costs were as follows: Lease Cost Classification Three Months Ended Operating lease cost: Fixed lease cost Cost of goods sold $ 1,034 Variable lease cost Cost of goods sold 6 Short-term lease costs Cost of goods sold — Finance lease cost: Amortization of leased assets Depreciation and amortization 719 Variable lease cost Cost of goods sold 4 Interest on lease liabilities Interest expense 52 Total lease cost $ 1,815 Operating and finance lease cash flow information was as follows: Three Months Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 893 Operating cash flows from financing leases 52 Financing cash flows from financing leases 551 Assets obtained in exchange for lease obligations: Operating leases $ — Financing leases 626
Aggregate maturities of operating lease liabilities	The future minimum lease payments and the aggregate maturities of operating and finance lease liabilities are as follows as of March 31, 2019: Years Ending December 31, Operating Leases Finance Leases Total Remainder of 2019 $ 2,689 $ 2,374 $ 5,063 2020 3,224 1,861 5,085 2021 2,939 605 3,544 2022 2,729 46 2,775 2023 2,678 43 2,721 Thereafter 59,320 4 59,324 Total lease payments 73,579 4,933 78,512 Less: imputed interest (44,456 ) (216 ) (44,672 ) Total present value of lease liabilities $ 29,123 $ 4,717 $ 33,840
Aggregate maturities of finance lease liabilities	The future minimum lease payments and the aggregate maturities of operating and finance lease liabilities are as follows as of March 31, 2019: Years Ending December 31, Operating Leases Finance Leases Total Remainder of 2019 $ 2,689 $ 2,374 $ 5,063 2020 3,224 1,861 5,085 2021 2,939 605 3,544 2022 2,729 46 2,775 2023 2,678 43 2,721 Thereafter 59,320 4 59,324 Total lease payments 73,579 4,933 78,512 Less: imputed interest (44,456 ) (216 ) (44,672 ) Total present value of lease liabilities $ 29,123 $ 4,717 $ 33,840

Derivative Instruments (Tables)

Derivative Instruments (Tables)	3 Months Ended
	Mar. 31, 2019
Derivative Instrument Detail [Abstract]
Schedule of fair values of the derivative financial instruments included in the consolidated balance sheets	The fair value of derivative instruments as of March 31, 2019 and December 31, 2018 were as follows: Asset (Liability) Balance Sheet Classification March 31, 2019 December 31, 2018 Designated as hedging instruments: Interest rate swap Other current assets $ 328 $ 508 Other long-term assets 99 118 Total derivatives designated as hedging instruments $ 427 $ 626 Not designated as hedging instruments: Foreign currency exchange forward contracts: Prepaid and other current assets $ 1,012 $ 794 Other long-term assets 800 1,810 Accrued and other current liabilities (388 ) (68 ) Other long-term liabilities (415 ) (179 ) Foreign currency purchased option contracts: Prepaid and other current assets 49 22 Other long-term assets 2,189 3,348 Total derivatives not designated as hedging instruments $ 3,247 $ 5,727
Schedule of instruments designated as cash flow hedges and the related changes in other accumulated comprehensive income and the gains and losses in income	The effects of instruments that were designated as cash flow hedges and the related changes in accumulated other comprehensive loss and the gains and losses recognized in earnings for the three months ended March 31, 2019 were as follows: Amount of Loss in Other Location of Amount of Interest rate swap (55 ) Interest expense 107 The effects of instruments that were designated as cash flow hedges and the related changes in accumulated other comprehensive loss and the gains and losses recognized in earnings for the three months ended March 31, 2018 were as follows: Amount of (Loss) Gain Location of Amount of Location of (Loss) Gain Amount of Gain Foreign currency exchange forward contracts $ (1,325 ) Product sales $ — Product sales $ (1 ) Foreign currency exchange purchased option contracts (323 ) Product sales — Product sales — Interest rate swap 320 Interest expense (1 ) Interest expense 1
Schedule of notional amounts of outstanding derivative instruments designated as cash flow hedges associated with outstanding or unsettled derivative instruments	The notional amounts of outstanding derivative instruments associated with outstanding or unsettled derivative instruments were as follows: March 31, December 31, Foreign exchange forward contracts in GBP £ 39,435 £ 42,170 Foreign exchange purchased option contracts in GBP £ 39,365 £ 39,365 Foreign exchange forward contracts in EUR € 7,000 € 14,300 Foreign exchange purchased option contracts in EUR € 1,675 € 1,675 Interest rate swap $ 38,460 $ 39,829

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2019
Fair Value Disclosures [Abstract]
Schedule of carrying amount and estimated fair value of long-term debt and capital lease obligations	The carrying amount and estimated fair value of long-term debt and finance lease obligations as of March 31, 2019 and December 31, 2018 were as follows: March 31, 2019 December 31, 2018 Carrying Amount Fair Value Carrying Amount Fair Value Senior notes $ 353,008 $ 368,095 $ 352,843 $ 359,943 Other long-term debt and finance lease obligations 125,729 125,730 79,812 79,812 Total long-term debt and finance lease obligations $ 478,737 $ 493,825 $ 432,655 $ 439,755

Long-Term Debt and Finance Le_2

Long-Term Debt and Finance Lease Obligations (Tables)	3 Months Ended
	Mar. 31, 2019
Debt Disclosure [Abstract]
Schedule of long-term debt and finance lease obligations	Long-term debt and finance lease obligations at carrying value are composed of the following: March 31, December 31, Senior notes, net of unamortized discount, premium and debt issuance of $2.0 million as of March 31, 2019 and $2.2 million as of December 31, 2018 $ 353,008 $ 352,843 Senior secured revolving credit facility 119,000 73,000 Other loans 2,012 2,015 Finance leases 4,717 4,797 Total long-term debt and finance lease obligations 478,737 432,655 Less current portion of long-term debt and finance lease obligations (2,762 ) (2,722 ) Long-term debt and finance lease obligations, excluding current installments $ 475,975 $ 429,933

Related-Party Transactions (Tab

Related-Party Transactions (Tables)	3 Months Ended
	Mar. 31, 2019
Related Party Transactions [Abstract]
Schedule of related party amounts	Related-party transaction amounts included on the unaudited condensed consolidated statements of operations were as follows: Three Months Ended March 31, 2019 2018 Other revenue $ 592 $ 1,232 Cost of goods sold 19,998 15,139 General and administrative expenses 4,213 3,964

Equity-Based Awards (Tables)

Equity-Based Awards (Tables)	3 Months Ended
	Mar. 31, 2019
Affiliate Grants
Equity-Based Awards
Schedule of phantom unit awards	Time-Based Phantom Units Performance-Based Phantom Units Total Affiliate Grant Phantom Units Units Weighted- Average Grant Date Fair Value (per unit)(1) Units Weighted- Average Grant Date Fair Value (per unit)(1) Units Weighted- Average Grant Date Fair Value (per unit)(1) Nonvested December 31, 2018 723,940 $ 25.91 239,512 $ 27.65 963,452 $ 26.34 Granted 334,884 $ 30.16 206,409 $ 30.16 541,293 $ 30.16 Forfeitures (2,881 ) $ 26.43 — $ — (2,881 ) $ 26.43 Vested (141,794 ) $ 18.19 — $ — (141,794 ) $ 18.19 Nonvested March 31, 2019 914,149 $ 28.66 445,921 $ 28.81 1,360,070 $ 28.71 ______________________________________________________________ (1) Determined by dividing the aggregate grant date fair value of awards by the number of awards issued.
Director Grants
Equity-Based Awards
Schedule of phantom unit awards	The following table summarizes information regarding phantom unit awards to certain non-employee directors of the General Partner (the “Director Grants”) under the LTIP: Time-Based Phantom Units Units Weighted- Average Grant Date Fair Value (per unit)(1) Nonvested December 31, 2018 13,964 $ 28.65 Granted 13,444 $ 30.16 Vested (13,964 ) $ 28.65 Nonvested March 31, 2019 13,444 $ 30.16

Net Income (Loss) per Limited_2

Net Income (Loss) per Limited Partner Unit (Tables)	3 Months Ended
	Mar. 31, 2019
Earnings Per Share [Abstract]
Schedule of weighted average common units outstanding	Three Months Ended March 31, 2018 Common Units Subordinated Units General Partner Weighted-average common units outstanding—basic 14,438 11,905 — Effect of nonvested phantom units — — — Weighted-average common units outstanding—diluted 14,438 11,905 — Three Months Ended March 31, 2019 Common Units General Partner Weighted-average common units outstanding—basic 26,759 — Effect of nonvested phantom units — — Weighted-average common units outstanding—diluted 26,759 —
Schedule of basic earnings (loss) per common, subordinated and general partner units	Three Months Ended March 31, 2019 Common Units General Partner Total Distributions declared $ 21,580 $ 2,270 $ 23,850 Earnings less than distributions (32,773 ) — (32,773 ) Net (loss) income attributable to partners $ (11,193 ) $ 2,270 $ (8,923 ) Weighted-average units outstanding—basic 26,759 Weighted-average units outstanding—diluted 26,759 Net loss per limited partner unit—basic $ (0.42 ) Net loss per limited partner unit—diluted $ (0.42 ) Three Months Ended March 31, 2018 Common Units Subordinated Units General Partner Total Distributions declared $ 9,066 $ 7,441 $ 1,264 $ 17,771 Earnings less than distributions (20,380 ) (16,726 ) — (37,106 ) Net (loss) income attributable to partners $ (11,314 ) $ (9,285 ) $ 1,264 $ (19,335 ) Weighted-average units outstanding—basic 14,438 11,905 Weighted-average units outstanding—diluted 14,438 11,905 Net loss per limited partner unit—basic $ (0.78 ) $ (0.78 ) Net loss per limited partner unit—diluted $ (0.78 ) $ (0.78 )
Schedule of cash distribution paid or declared	The following table details the cash distribution paid or declared (in millions, except per-unit amounts): Quarter Ended Declaration Date Record Date Payment Date Distribution Per Unit Total Cash Distribution Total Payment to General Partner for Incentive Distribution Rights March 31, 2018 May 3, 2018 May 15, 2018 May 29, 2018 $ 0.6250 $ 16.5 $ 1.3 June 30, 2018 August 1, 2018 August 15, 2018 August 29, 2018 $ 0.6300 $ 16.7 $ 1.4 September 30, 2018 October 31, 2018 November 15, 2018 November 29, 2018 $ 0.6350 $ 16.8 $ 1.5 December 31, 2018 January 29, 2019 February 15, 2019 February 28, 2019 $ 0.6400 $ 17.0 $ 1.7 March 31, 2019 May 2, 2019 May 15, 2019 May 29, 2019 $ 0.6450 $ 21.6 $ 2.3

Description of Business and B_2

Description of Business and Basis of Presentation - (Details)	Mar. 31, 2019plant
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of industrial-scale production wood pellet production plants in operation	6

Significant Accounting Polici_3

Significant Accounting Policies - Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Lessee, Lease, Description [Line Items]
ROU assets	$ 26,957		$ 0
ROU liabilities			$ 2,100
Total present value of lease liabilities	$ 29,123
ASU 2016-02
Lessee, Lease, Description [Line Items]
ROU assets		$ 27,400
Total present value of lease liabilities		$ 29,500

Revenue - Performance Obligatio

Revenue - Performance Obligations (Details) $ in Billions	Mar. 31, 2019USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01
Performance Obligations
Expected remaining performance obligation	1 year
Remaining performance obligations, percentage	7.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Performance Obligations
Expected remaining performance obligation
Remaining performance obligations, percentage	11.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)
Performance Obligations
Remaining performance obligations	$ 7.9

Revenue - Contract Balances (De

Revenue - Contract Balances (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Revenue recognized	$ 100,000
Accounts receivable primarily related to product sales	58,900,000	$ 51,300,000
Deferred revenue	$ 200,000	$ 300,000

Significant Risks and Uncerta_3

Significant Risks and Uncertainties Including Business and Credit Concentrations (Details)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Customer A
Concentration Risk
Concentration risk (as a percent)	40.00%	38.00%
Customer B
Concentration Risk
Concentration risk (as a percent)	11.00%	7.00%
Customer C
Concentration Risk
Concentration risk (as a percent)	16.00%	6.00%
Customer D
Concentration Risk
Concentration risk (as a percent)	25.00%	34.00%

Inventory Impairment and Asse_2

Inventory Impairment and Asset Disposal - (Details) MT in Thousands, $ in Thousands	Feb. 27, 2018MT	Feb. 28, 2019USD ($)	Mar. 31, 2018USD ($)	Mar. 31, 2019USD ($)	Dec. 31, 2018USD ($)
Inventory Disclosure [Abstract]
Wood pellets damaged, MT | MT	43
Asset impairment, inventory write-off and disposal costs, emergency response costs, asset repair costs and business continuity activities			$ 28,400
Assets held for sale
Insurance recovery			8,900
Insurance receivables				$ 1,300	$ 5,140
Insurance recoveries
Assets held for sale
Insurance receivables					$ 3,800
Insurance recoveries received		$ 3,800
Cost of goods sold
Assets held for sale
Insurance recoveries			$ 1,100
Other income | Insurance recoveries
Assets held for sale
Insurance recoveries received		$ 500

Inventories (Details)

Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Raw materials and work-in-process	$ 5,594	$ 4,936
Consumable tooling	17,750	17,561
Finished goods	4,655	8,993
Total inventories	$ 27,999	$ 31,490

Property, Plant and Equipment_2

Property, Plant and Equipment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Components of Property, plant and equipment
Property, plant and equipment, gross	$ 699,456,000		$ 697,602,000
Less accumulated depreciation	(165,929,000)		(154,967,000)
Property, plant and equipment excluding construction in progress	533,527,000		542,635,000
Construction in progress	26,845,000		14,393,000
Total property, plant and equipment, net	560,372,000		557,028,000
Total depreciation expense	11,200,000	$ 9,300,000
Interest capitalized related to construction in progress	100,000	$ 0
Land
Components of Property, plant and equipment
Property, plant and equipment, gross	13,492,000		13,492,000
Land improvements
Components of Property, plant and equipment
Property, plant and equipment, gross	44,990,000		44,990,000
Buildings
Components of Property, plant and equipment
Property, plant and equipment, gross	196,574,000		196,574,000
Machinery and equipment
Components of Property, plant and equipment
Property, plant and equipment, gross	436,630,000		434,776,000
Vehicles
Components of Property, plant and equipment
Property, plant and equipment, gross	635,000		635,000
Furniture and office equipment
Components of Property, plant and equipment
Property, plant and equipment, gross	6,148,000		6,148,000
Leasehold improvements
Components of Property, plant and equipment
Property, plant and equipment, gross	$ 987,000		$ 987,000

Leases - Narrative (Details)

Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Lessee, Lease, Description [Line Items]
Option to extend the lease terms	5 years
Operating lease future minimum lease payments		$ 73.8
Finance lease future minimum lease payments		$ 4.8
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease terms	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease terms	28 years

Leases - Operating Lease ROU As

Leases - Operating Lease ROU Assets and Liabilities and Finance Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Operating leases:
Operating lease ROU assets, gross	$ 29,490
Accumulated amortization	(2,533)
Operating lease ROU assets, net	26,957	$ 0
Long-term operating lease liabilities	27,730	$ 0
Current portion of operating lease liabilities	1,393
Total operating lease liabilities	29,123
Finance leases:
Property, plant and equipment, gross	8,461
Accumulated depreciation	(3,734)
Property plant and equipment, net	4,727
Current portion of long-term finance lease obligations	2,754
Long-term finance lease obligations	1,963
Total finance lease liabilities	$ 4,717

Leases - Operating and Finance

Leases - Operating and Finance Lease Costs (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019USD ($)
Operating lease cost:
Fixed lease cost	$ 1,034
Variable lease cost	6
Short-term lease costs	0
Finance lease cost:
Amortization of leased assets	719
Variable lease cost	4
Interest on lease liabilities	52
Total lease cost	$ 1,815

Leases - Operating and Financ_2

Leases - Operating and Finance Lease Cash Flow Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 893
Operating cash flows from financing leases	52
Financing cash flows from financing leases	551
Assets obtained in exchange for lease obligations:
Operating leases	0
Financing leases	$ 626

Leases - Aggregate Maturities o

Leases - Aggregate Maturities of Operating and Finance Lease Liabilities (Details) $ in Thousands	Mar. 31, 2019USD ($)
Operating Leases
Remainder of 2019	$ 2,689
2020	3,224
2021	2,939
2022	2,729
2023	2,678
Thereafter	59,320
Total lease payments	73,579
Less: imputed interest	(44,456)
Total present value of lease liabilities	29,123
Finance Leases
Remainder of 2019	2,374
2020	1,861
2021	605
2022	46
2023	43
Thereafter	4
Total lease payments	4,933
Less: imputed interest	(216)
Total present value of lease liabilities	4,717
Remainder of 2019	5,063
2020	5,085
2021	3,544
2022	2,775
2023	2,721
Thereafter	59,324
Total lease payments	78,512
Less: imputed interest	(44,672)
Total present value of lease liabilities	$ 33,840

Leases - Weighted-average Remai

Leases - Weighted-average Remaining Operating and Finance Lease Terms and Discount Rates (Details)	Mar. 31, 2019
Leases [Abstract]
Operating leases	27 years
Finance leases	2 years
Operating leases	8.00%
Finance leases	5.00%

Derivative Instruments - Narrat

Derivative Instruments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivatives, Fair Value [Line Items]
Unrealized net gains on derivative instruments	$ (298)	$ 601
Realized gains on settled derivatives	100	300
Net derivative settlement termination payment amount	3,700
Product sales
Derivatives, Fair Value [Line Items]
Unrealized net gains on derivative instruments	$ 2,000	$ 800

Derivative Instruments - Fair V

Derivative Instruments - Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Derivatives not designated as hedging instruments | Prepaid and other current assets | Foreign currency purchased option contracts
Fair value of cash flow hedges
Total asset derivative	$ 49	$ 22
Cash flow hedges | Derivatives designated as hedging instruments
Fair value of cash flow hedges
Total asset derivative	427	626
Cash flow hedges | Derivatives designated as hedging instruments | Other current assets | Interest rate swap
Fair value of cash flow hedges
Total asset derivative	328	508
Cash flow hedges | Derivatives designated as hedging instruments | Other long-term assets | Interest rate swap
Fair value of cash flow hedges
Total asset derivative	99	118
Cash flow hedges | Derivatives not designated as hedging instruments
Fair value of cash flow hedges
Total derivatives not designated as hedging instruments	3,247	5,727
Cash flow hedges | Derivatives not designated as hedging instruments | Other long-term assets | Foreign currency exchange forward contracts
Fair value of cash flow hedges
Total asset derivative	800	1,810
Cash flow hedges | Derivatives not designated as hedging instruments | Other long-term assets | Foreign currency purchased option contracts
Fair value of cash flow hedges
Total asset derivative	2,189	3,348
Cash flow hedges | Derivatives not designated as hedging instruments | Prepaid and other current assets | Foreign currency exchange forward contracts
Fair value of cash flow hedges
Total asset derivative	1,012	794
Cash flow hedges | Derivatives not designated as hedging instruments | Accrued and other current liabilities | Foreign currency exchange forward contracts
Fair value of cash flow hedges
Total liability derivative	(388)	(68)
Cash flow hedges | Derivatives not designated as hedging instruments | Other long-term liabilities | Foreign currency exchange forward contracts
Fair value of cash flow hedges
Total liability derivative	$ (415)	$ (179)

Derivative Instruments - Change

Derivative Instruments - Changes In Accumulated Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest rate swap
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss in Other Comprehensive Loss on Derivative	$ (55)	$ 320
Interest rate swap | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from Accumulated Other Comprehensive Loss into Earnings	$ 107	(1)
Amount of Gain (Loss) Recognized in Earnings on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)		1
Foreign currency exchange forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss in Other Comprehensive Loss on Derivative		(1,325)
Foreign currency exchange forward contracts | Product sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from Accumulated Other Comprehensive Loss into Earnings		0
Amount of Gain (Loss) Recognized in Earnings on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)		(1)
Foreign currency purchased option contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss in Other Comprehensive Loss on Derivative		(323)
Foreign currency purchased option contracts | Product sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from Accumulated Other Comprehensive Loss into Earnings		0
Amount of Gain (Loss) Recognized in Earnings on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)		$ 0

Derivative Instruments - Notion

Derivative Instruments - Notional Amounts (Details) € in Thousands, £ in Thousands, $ in Thousands	Mar. 31, 2019USD ($)	Mar. 31, 2019GBP (£)	Mar. 31, 2019EUR (€)	Dec. 31, 2018USD ($)	Dec. 31, 2018GBP (£)	Dec. 31, 2018EUR (€)
Foreign currency exchange forward contracts
Notional amounts of outstanding derivatives instruments designated as cash flow hedges
Notional amount		£ 39,435	€ 7,000		£ 42,170	€ 14,300
Foreign currency purchased option contracts
Notional amounts of outstanding derivatives instruments designated as cash flow hedges
Notional amount		£ 39,365	€ 1,675		£ 39,365	€ 1,675
Interest rate swap
Notional amounts of outstanding derivatives instruments designated as cash flow hedges
Notional amount	$ 38,460			$ 39,829

Fair Value Measurements (Detail

Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Total long-term debt and finance lease obligations	$ 478,737	$ 432,655
Recurring | Level 2 | Carrying Amount
Senior notes	353,008	352,843
Other long-term debt and finance lease obligations	125,729	79,812
Total long-term debt and finance lease obligations	478,737	432,655
Recurring | Level 2 | Fair Value
Senior notes	368,095	359,943
Other long-term debt and finance lease obligations	125,730	79,812
Total long-term debt and finance lease obligations	$ 493,825	$ 439,755

Long-Term Debt and Finance Le_3

Long-Term Debt and Finance Lease Obligations - Capital Lease Obligation Table (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Long-term Debt and Capital Lease Obligations, Including Current Maturities [Abstract]
Finance leases	$ 4,717
Total long-term debt and finance lease obligations	478,737	$ 432,655
Less current portion of long-term debt and finance lease obligations	(2,762)	(2,722)
Long-term debt and finance lease obligations, excluding current installments	475,975	429,933
Other loans
Long-term Debt and Capital Lease Obligations, Including Current Maturities [Abstract]
Long-term debt	2,012	2,015
Finance leases
Long-term Debt and Capital Lease Obligations, Including Current Maturities [Abstract]
Finance leases	4,717
Finance leases		4,797
Senior Notes
Long-term Debt and Capital Lease Obligations, Including Current Maturities [Abstract]
Long-term debt	353,008	352,843
Unamortized discount, premium and debt issuance	2,000	2,200
Senior secured revolving credit facility | Revolving credit commitments
Long-term Debt and Capital Lease Obligations, Including Current Maturities [Abstract]
Long-term debt	$ 119,000	$ 73,000
Senior Notes Due 2021
Long-term Debt and Capital Lease Obligations, Including Current Maturities [Abstract]
Interest rate (as a percent)	8.50%

Related-Party Transactions - Sc

Related-Party Transactions - Schedule of Related Party Amounts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other revenue
Related Party Transaction [Line Items]
Related party revenue	$ 592	$ 1,232
Cost of goods sold
Related Party Transaction [Line Items]
Related party expenses	19,998	15,139
General and administrative expenses
Related Party Transaction [Line Items]
Related party expenses	$ 4,213	$ 3,964

Related-Party Transactions - Na

Related-Party Transactions - Narrative (Details)	Apr. 01, 2019USD ($)	Feb. 28, 2018T	Oct. 31, 2017USD ($)	Jan. 31, 2016T	Mar. 31, 2019USD ($)MT	Mar. 31, 2018USD ($)	Dec. 31, 2018USD ($)
Related Party Transaction [Line Items]
Amount due to related-party					$ 17,294,000		$ 28,225,000
Cash paid to general partner for settlement of performance based phantom unit awards					1,900,000
First Hancock JV
Related Party Transaction [Line Items]
Annual volume of wood pellets to be sold | T				375,000
Enviva Port of Wilmington, LLC | First Hancock JV
Related Party Transaction [Line Items]
Total consideration			$ 130,000,000
Deferred consideration					74,000,000
Sampson, LLC Drop-Down | First Hancock JV
Related Party Transaction [Line Items]
Amount due to related-party					4,500,000		300,000
Enviva FiberCo. LLC
Related Party Transaction [Line Items]
Costs to cover fees					2,900,000	$ 0
Purchase of raw materials					1,900,000	1,700,000
New MSA | Inventory finished goods
Related Party Transaction [Line Items]
Costs included in finished goods inventory					900,000
New MSA | Related-party payable
Related Party Transaction [Line Items]
Amount due to related-party					9,000,000		19,000,000
New MSA | General and administrative expenses
Related Party Transaction [Line Items]
MSA related expenses incurred					4,200,000	4,000,000
New MSA | Cost of goods sold
Related Party Transaction [Line Items]
MSA related expenses incurred					13,600,000	8,700,000
Greenwood Contract
Related Party Transaction [Line Items]
Annual volume of wood pellets to be purchased | T		550,000
Related Party Transaction Purchase Of Wood Pellets and Deficiency Fee Costs					10,500,000
Wood pellets purchased					7,600,000	3,700,000
Deficiency fees					2,900,000
Greenwood Contract | Inventory finished goods
Related Party Transaction [Line Items]
Wood pellets purchased					100,000
Greenwood Contract | Related-party payable
Related Party Transaction [Line Items]
Wood pellets purchased					4,300,000		$ 7,900,000
Greenwood Contract | Related-party receivables
Related Party Transaction [Line Items]
Costs to cover fees					3,600,000
Greenwood Contract | Cost of goods sold
Related Party Transaction [Line Items]
Wood pellets purchased					7,500,000	3,100,000
Greenwood Contract | Other revenue
Related Party Transaction [Line Items]
Deficiency fees received					600,000	400,000
Terminal Services Agreement | Wilmington, LLC Drop-Down | Cost of goods sold
Related Party Transaction [Line Items]
Terminal service fees					$ 0	800,000
Terminal Services Agreement | Wilmington, LLC Drop-Down | First Hancock JV | Minimum
Related Party Transaction [Line Items]
Quarterly amounts of pellets to be delivered | MT					125,000
Biomass Option Agreement | Enviva Holdings, LP.
Related Party Transaction [Line Items]
Wood pellets purchased						$ 1,700,000
Secondary Supply Agreement | First Hancock JV
Related Party Transaction [Line Items]
Annual volume of wood pellets to be sold | MT					95,000
Subsequent Event | Wilmington Drop-Down
Related Party Transaction [Line Items]
Payment of deferred consideration	$ 74,000,000

Partners' Capital - Narrative (

Partners' Capital - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2018	Aug. 08, 2016
Incentive Distribution Rights
Issue units in registered direct offering (in units)	3,508,778
Issue units in registered direct offering	$ 97,000
Issuance costs	$ 3,000
Proceeds from sale of common units, net of commissions		$ 100,000	$ 241
General Partner Interest | Minimum
Incentive Distribution Rights
Quarterly distribution of operating surplus (as a percent)		15.00%
General Partner Interest | Maximum
Incentive Distribution Rights
Quarterly distribution of operating surplus (as a percent)		50.00%
Common Units
Incentive Distribution Rights
Issuance of common units, net (in units)		0	8,408
Proceeds from sale of common units, net of commissions			$ 200
Common Units | Maximum
Incentive Distribution Rights
Stated value of common units covered in the Equity Distribution Agreement				$ 100,000

Equity-Based Awards - Schedule

Equity-Based Awards - Schedule of Phantom Unit Awards (Details)	3 Months Ended
	Mar. 31, 2019$ / sharesshares
Affiliate Grants
Units
Nonvested at the beginning of the period (in units) | shares	963,452
Granted (in units) | shares	541,293
Forfeitures (in units) | shares	(2,881)
Vested (in units) | shares	(141,794)
Nonvested at the end of the period (in units) | shares	1,360,070
Weighted- Average Grant Date Fair Value (per unit)
Nonvested at the beginning of the period (in dollars per unit) | $ / shares	$ 26.34
Granted (in dollars per unit) | $ / shares	30.16
Forfeitures (in dollar per unit) | $ / shares	26.43
Vested (in dollars per unit) | $ / shares	18.19
Nonvested at the end of the period (in dollars per unit) | $ / shares	$ 28.71
Affiliate Grants | Time-Based Phantom Units
Units
Nonvested at the beginning of the period (in units) | shares	723,940
Granted (in units) | shares	334,884
Forfeitures (in units) | shares	(2,881)
Vested (in units) | shares	(141,794)
Nonvested at the end of the period (in units) | shares	914,149
Weighted- Average Grant Date Fair Value (per unit)
Nonvested at the beginning of the period (in dollars per unit) | $ / shares	$ 25.91
Granted (in dollars per unit) | $ / shares	30.16
Forfeitures (in dollar per unit) | $ / shares	26.43
Vested (in dollars per unit) | $ / shares	18.19
Nonvested at the end of the period (in dollars per unit) | $ / shares	$ 28.66
Affiliate Grants | Performance-Based Phantom Units
Units
Nonvested at the beginning of the period (in units) | shares	239,512
Granted (in units) | shares	206,409
Forfeitures (in units) | shares	0
Vested (in units) | shares	0
Nonvested at the end of the period (in units) | shares	445,921
Weighted- Average Grant Date Fair Value (per unit)
Nonvested at the beginning of the period (in dollars per unit) | $ / shares	$ 27.65
Granted (in dollars per unit) | $ / shares	30.16
Forfeitures (in dollar per unit) | $ / shares	0
Vested (in dollars per unit) | $ / shares	0
Nonvested at the end of the period (in dollars per unit) | $ / shares	$ 28.81
Director Grants | Time-Based Phantom Units
Units
Nonvested at the beginning of the period (in units) | shares	13,964
Granted (in units) | shares	13,444
Vested (in units) | shares	(13,964)
Nonvested at the end of the period (in units) | shares	13,444
Weighted- Average Grant Date Fair Value (per unit)
Nonvested at the beginning of the period (in dollars per unit) | $ / shares	$ 28.65
Granted (in dollars per unit) | $ / shares	30.16
Vested (in dollars per unit) | $ / shares	28.65
Nonvested at the end of the period (in dollars per unit) | $ / shares	$ 30.16

Equity-Based Awards - Narrative

Equity-Based Awards - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Feb. 28, 2019	Mar. 31, 2019	Mar. 31, 2018
Equity-Based Awards
Payment for withholding tax		$ 0	$ 1,665
Affiliate Grants
Equity-Based Awards
Vested (in units)		141,794
Time-Based Phantom Units | Affiliate Grants
Equity-Based Awards
Vested (in units)		141,794
Time-Based Phantom Units | Director Grants
Equity-Based Awards
Vested (in units)		13,964
Fair value of units granted	$ 400
Performance-Based Phantom Units | Affiliate Grants
Equity-Based Awards
Vested (in units)		0
Unpaid DER		$ 1,000	700
DER
Equity-Based Awards
Distributions paid related to DERs		900	500
Share-based compensation | Provider
Equity-Based Awards
Payment for withholding tax			1,700
Share-based compensation | Time-Based Phantom Units | LTIP
Equity-Based Awards
Payment for withholding tax		$ 1,900
Vested (in units)		141,794
Share-based compensation | Performance-Based Phantom Units | General Partner Interest
Equity-Based Awards
Payment for withholding tax			2,300
Related-party accrued liabilities | Performance-Based Phantom Units | Affiliate Grants
Equity-Based Awards
Unpaid DER		$ 500
Related-party accrued liabilities | DER
Equity-Based Awards
Distributions paid related to DERs		600	900
Other long-term liabilities | Performance-Based Phantom Units | Affiliate Grants
Equity-Based Awards
Unpaid DER		$ 500	300
Accrued liabilities | Performance-Based Phantom Units | Affiliate Grants
Equity-Based Awards
Unpaid DER			$ 400

Income Taxes (Details)

Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
Reserves for uncertain tax positions	$ 0
Reserves for interest and penalties	0
Provision for income tax	$ 0	$ 0

Net Income (Loss) per Limited_3

Net Income (Loss) per Limited Partner Unit - Narrative (Details)	May 30, 2018shares	Mar. 31, 2019shares
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Unit conversion ratio per unit	1
Conversion of common units ratio (per unit)	1
Subordinated Units
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Potentially dilutive subordinated units outstanding		0
Subordinated Units
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Conversion of subordinated units to common units (in units)	11,905,138

Net Income (Loss) per Limited_4

Net Income (Loss) per Limited Partner Unit - Basic and Diluted Table (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Common Units
Weighted average number of units outstanding
Weighted-average common units outstanding - basic (in units)	26,759	14,438
Effect of nonvested phantom units	0	0
Weighted-average common units outstanding —diluted (in units)	26,759	14,438
Subordinated Units
Weighted average number of units outstanding
Weighted-average common units outstanding - basic (in units)		11,905
Effect of nonvested phantom units		0
Weighted-average common units outstanding —diluted (in units)		11,905
General Partner
Weighted average number of units outstanding
Weighted-average common units outstanding - basic (in units)	0	0
Effect of nonvested phantom units	0	0
Weighted-average common units outstanding —diluted (in units)	0	0

Net Income (Loss) per Limited_5

Net Income (Loss) per Limited Partner Unit - Net Income Per Unit Table (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net Income (Loss) per Limited Partner Unit
Distributions declared	$ 23,850	$ 17,771
Earnings less than distributions	(32,773)	(37,106)
Net (loss) income attributable to partners	(8,923)	(19,335)
Common Units
Net Income (Loss) per Limited Partner Unit
Distributions declared	21,580	9,066
Earnings less than distributions	(32,773)	(20,380)
Net (loss) income attributable to partners	$ (11,193)	$ (11,314)
Weighted-average units outstanding—basic (in units)	26,759	14,438
Weighted-average units outstanding—diluted (in units)	26,759	14,438
Net loss per limited partner unit—basic (in dollars per unit)	$ (0.42)	$ (0.78)
Net loss per limited partner unit—diluted (in dollars per unit)	$ (0.42)	$ (0.78)
Subordinated Units
Net Income (Loss) per Limited Partner Unit
Distributions declared		$ 7,441
Earnings less than distributions		(16,726)
Net (loss) income attributable to partners		$ (9,285)
Weighted-average units outstanding—basic (in units)		11,905
Weighted-average units outstanding—diluted (in units)		11,905
Net loss per limited partner unit—basic (in dollars per unit)		$ (0.78)
Net loss per limited partner unit—diluted (in dollars per unit)		$ (0.78)
General Partner
Net Income (Loss) per Limited Partner Unit
Distributions declared	$ 2,270	$ 1,264
Earnings less than distributions	0	0
Net (loss) income attributable to partners	$ 2,270	$ 1,264
Weighted-average units outstanding—basic (in units)	0	0
Weighted-average units outstanding—diluted (in units)	0	0

Net Income (Loss) per Limited_6

Net Income (Loss) per Limited Partner Unit - Schedule of cash distribution paid or declared (Details) - USD ($) $ / shares in Units, $ in Millions	May 02, 2019	Jan. 29, 2019	Oct. 31, 2018	Aug. 01, 2018	May 03, 2018
Distribution Made to Limited Partner [Line Items]
Distribution Per Unit		$ 0.64	$ 0.635	$ 0.63	$ 0.625
Total Cash Distribution		$ 17	$ 16.8	$ 16.7	$ 16.5
Total Payment to General Partner for Incentive Distribution Rights		$ 1.7	$ 1.5	$ 1.4	$ 1.3
Subsequent Event
Distribution Made to Limited Partner [Line Items]
Distribution Per Unit	$ 0.645
Total Cash Distribution	$ 21.6
Total Payment to General Partner for Incentive Distribution Rights	$ 2.3

Subsequent Events (Details)

Subsequent Events (Details) - Subsequent Event T in Millions, $ in Millions	Apr. 02, 2019USD ($)Tshares	Apr. 01, 2019USD ($)shares
Wilmington, LLC Drop-Down | JV
Subsequent Events
Payment for deferred consideration		$ 74
Cash payment of deferred consideration		24
Wilmington, LLC Drop-Down | JV | John Hancock Life Insurance Company (U.S.A.)
Subsequent Events
Cash payment of deferred consideration		$ 23
Issuance of common units (in units) | shares		1,691,627
Issuance of common units		$ 50
Wilmington, LLC Drop-Down | JV | Enviva Wilmington Holdings, LLC
Subsequent Events
Cash payment of deferred consideration		$ 1
Hamlet Transaction | Paid at closing
Subsequent Events
Cash payment of deferred consideration	$ 25
Hamlet Transaction | Paid on commencement of commercial operations
Subsequent Events
Cash payment of deferred consideration	50
Hamlet Transaction | To be paid on later of COD or January 2, 2020
Subsequent Events
Cash payment of deferred consideration	$ 40
Hamlet Transaction | First Hancock JV
Subsequent Events
Issuance of common units (in units) | shares	1,681,237
Issuance of common units	$ 50
Hamlet Transaction | JV
Subsequent Events
Take-or-pay off-take contract term	15 years
Take-or-pay off-take contract volume (MTPY) | T	0.5
Hamlet Transaction | JV | First Hancock JV
Subsequent Events
Total consideration	$ 165

Supplemental Guarantor Inform_2

Supplemental Guarantor Information (Details)	Mar. 31, 2019
Condensed Financial Information Disclosure [Abstract]
Ownership interest in each of the subsidiary guarantors	100.00%

Uncategorized Items - eva-20190

Label	Element	Value
Common Units Public [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (10,000)
Common Units Sponsor [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(8,000)
AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 18,000