Basis of Presentation, Description of Business and Summary of Significant Accounting Policies | 1. BASIS OF PRESENTATION, DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization References to “the partnership” in the consolidated financial statements and notes to the consolidated financial statements refer to Green Plains Partners LP and its subsidiaries. Green Plains Holdings LLC, a wholly owned subsidiary of Green Plains Inc., serves as the general partner of the partnership. References to (i) “the general partner” and “Green Plains Holdings” refer to Green Plains Holdings LLC; (ii) “the parent,” “the sponsor” and “Green Plains” refer to Green Plains Inc.; and (iii) “Green Plains Trade” refers to Green Plains Trade Group LLC, a wholly owned subsidiary of Green Plains. Consolidated Financial Statements The consolidated financial statements include the accounts of the partnership and its controlled subsidiaries. All significant intercompany balances and transactions are eliminated on a consolidated basis for reporting purposes. Results for the interim periods presented are not necessarily indicative of the expected results for the entire year. The accompanying unaudited consolidated financial statements are prepared in accordance with GAAP for interim financial information and instructions to Form 10-Q and Article 10 of Regulation S-X. Because they do not include all of the information and footnotes required by GAAP, the consolidated financial statements should be read in conjunction with the partnership’s 2016 annual report on Form 10-K for the year ended December 31, 2016. In accordance with GAAP, when transferring assets between entities under common control, the entity receiving the net assets initially recognizes the carrying amounts of the assets and liabilities at the date of transfer and the prior period financial statements of the transferee are recast for all periods the transferred operations were part of the parent’s consolidated financial statements. On July 1, 2015, in addition to the interests of BlendStar, the partnership received the ethanol storage and railcar assets in a transfer between entities under common control. The transferred assets and liabilities are recognized at our parent’s historical cost and reflected retroactively in the consolidated financial statements presented in this report. Effective January 1, 2016, the partnership acquired the ethanol storage and leased railcar assets of the Hereford, Texas and Hopewell, Virginia production facilities for $62.3 million from its sponsor in a transfer between entities under common control. The assets were recognized at historical cost and reflected retroactively along with related expenses for periods prior to the effective date of the acquisition, subsequent to the initial dates the assets were acquired by the sponsor, on October 23, 2015, and November 12, 2015, for Hopewell and Hereford, respectively. There were no revenues related to these assets for periods before January 1, 2016, when amendments to the commercial agreements became effective. On September 23, 2016, the partnership acquired the ethanol storage assets located in Madison, Illinois; Mount Vernon, Indiana and York, Nebraska for $90 million related to three ethanol plants, which occurred concurrently with the acquisition of these facilities by Green Plains from subsidiaries of Abengoa S.A. The transaction was accounted for as a transfer between entities under common control and the assets were recognized at the preliminary value recorded in Green Plains’ purchase accounting. No retroactive adjustments were required. On July 11, 2017, the partnership contributed $1.3 million to NLR Energy Logistics LLC, a 50/50 joint venture with Delek Renewables LLC, which was formed in February 2017 to build an ethanol unit train terminal in the Little Rock, Arkansas area with capacity to unload 110 -car unit trains and provide approximately 100,000 barrels of storage. The partnership and Delek Renewables LLC have equal board representation and voting rights in the joint venture. The investment is accounted for using the equity method of accounting. Under this method, an investment is recorded at the acquisition cost plus the partnership’s share of equity in undistributed earnings or losses since acquisition, and reduced by distributions received and the amortization of excess net investment. Upon commencement of operations, the partnership’s proportionate share of the equity investments’ earnings or losses will be reported on a one-month lag as a separate line item in the consolidated financial statements. Construction of the terminal is expected to be completed during the first quarter of 2018 at a total cost of approximately $7.0 million. Use of Estimates in the Preparation of Consolidated Financial Statements Preparation of the consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and revenues and expenses during the reporting period. The partnership bases its estimates on historical experience and assumptions it believes are proper and reasonable under the circumstances. The partnership regularly evaluates the appropriateness of these estimates and assumptions. Actual results could differ from those estimates. Key accounting policies, including, but not limited to, those related to depreciation of property and equipment, asset retirement obligations, and impairment of long-lived assets and goodwill are impacted significantly by judgments, assumptions and estimates used to prepare the consolidated financial statements. Description of Business The partnership provides fuel storage and transportation services by owning, operating, developing and acquiring ethanol and fuel storage tanks, terminals, transportation assets and other related assets and businesses. The partnership is its parent’s primary downstream logistics provider to support the parent’s approximately 1.5 bgy ethanol marketing and distribution business. The partnership’s assets are the principal method of storing and delivering the ethanol the parent produces. The ethanol produced by the parent is primarily fuel grade, made principally from starch extracted from corn, and is primarily used for blending with gasoline. Ethanol currently comprises approximately 10% of the U.S. gasoline market and is an economical source of octane and oxygenates for blending into the fuel supply. The partnership does not take ownership of, or receive any payments based on the value of the ethanol or other fuels it handles. As a result, the partnership does not have any direct exposure to fluctuations in commodity prices. Revenue Recognition The partnership recognizes revenues when all of the following criteria are satisfied: persuasive evidence of an arrangement exists; services have been provided; the price is fixed and determinable; and collectability is reasonably assured. The partnership derives revenues when product is delivered to the customer from its storage tanks and fuel terminals, when railcar volumetric capacity is provided, and when truck transportation services are performed. The partnership generates a substantial portion of its revenues under fee-based commercial agreements with Green Plains Trade. The partnership’s storage and throughput agreement and certain terminal services agreements with Green Plains Trade are supported by minimum volume commitments. The partnership’s rail transportation services agreement is supported by minimum take-or-pay capacity commitments. Green Plains Trade is required to pay the partnership fees for these minimum commitments regardless of the actual volume throughput or volumetric capacity used for storage or transport. Under the storage and throughput agreement, if Green Plains Trade fails to meet its minimum volume commitment during any quarter, the partnership will charge Green Plains Trade a deficiency payment equal to the deficient volume multiplied by the applicable fee. The deficiency payment may be applied as a credit toward volumes throughput by Green Plains Trade in excess of the minimum volume commitment during the next four quarters, after which time any unused credits will expire. In the event a deficiency payment is charged, the partnership records a liability for unearned revenue in the amount of the credit that may be used in future periods. The partnership recognizes revenue and relieves the liability when credits are utilized or expire during the subsequent four quarters. Under certain terminal services agreements with Green Plains Trade and other customers, minimum volume commitments are applicable to volumes throughput at the partnership’s terminals. If Green Plains Trade or other customers fail to meet their minimum volume commitments during the applicable term, a deficiency payment equal to the deficient volume multiplied by the applicable fee will be charged. Deficiency payments related to the partnership’s terminal services revenue may not be utilized as credits toward future volumes. The partnership recognizes revenue under these agreements when risk of loss is transferred with product delivery to the customer, and when a deficiency payment is charged. Under the partnership’s rail transportation services agreement, Green Plains Trade is required to pay the partnership fees for the minimum railcar volumetric capacity provided, regardless of utilization of that capacity. However, Green Plains Trade is not charged for railcar volumetric capacity that is not available for use due to inspections, upgrades or routine repairs and maintenance. Revenue is recognized based on the fee associated with the average daily railcar volumetric capacity provided in the applicable period. As a result of these take-or-pay minimum volume and capacity commitments, a portion of the partnership’s revenues may be associated with cash collected during an earlier period that did not generate cash during the current period. Operations and Maintenance Expenses The partnership’s operations and maintenance expenses consist primarily of lease expenses related to the transportation assets, labor expenses, outside contractor expenses, insurance premiums, repairs and maintenance expenses and utility costs. These expenses also include fees for certain management, maintenance and operational services to support the facilities, trucks and leased railcar fleet allocated by Green Plains under the operational services and secondment agreement. Concentrations of Credit Risk In the normal course of business, the partnership is exposed to credit risk resulting from the possibility a loss may occur due to failure of another party to perform according to the terms of their contract. The partnership provides fuel storage and transportation services for various parties with a significant portion of its revenues earned from Green Plains Trade. The partnership continually monitors its credit risk exposure and concentrations. Please refer to Note 9 – Major Customers Transactions and Note 10 – Related Party Transactions to the consolidated financial statements for additional information . Segment Reporting The partnership accounts for segment reporting in accordance with ASC 280, Segment Reporting , which establishes standards for entities reporting information about the operating segments and geographic areas in which they operate. Management evaluated how its chief operating decision maker has organized the partnership for purposes of making operating decisions and assessing performance, and concluded it has one reportable segment. Asset Retirement Obligations The partnership records an ARO for the fair value of the estimated costs to retire a tangible long-lived asset in the period incurred if it can be reasonably estimated, which is subsequently adjusted for accretion expense. Corresponding asset retirement costs are capitalized as a long-lived asset and depreciated on a straight-line basis over the asset’s remaining useful life. The expected present value technique used to calculate the fair value of the AROs includes assumptions about costs, settlement dates, interest accretion and inflation. Changes in assumptions, such as the amount or timing of estimated cash flows, could increase or decrease the AROs. The partnership’s AROs are based on legal obligations to perform remedial activity related to land, machinery and equipment when certain operating leases expire. Equity Method Investments The partnership accounts for investments in which the partnership exercises significant influence using the equity method so long as the partnership (i) do es not control the investee and (ii) is not the primary beneficiary. The partnership recognizes these investments in the consolidated balance sheets as equity investments . The partnership will recognize its proportionate share of earnings or loss on a one-month lag as a separate line item in the consolidated statements of operations. The partnership recognizes losses in the value of equity method investees when there is evidence of an other-than-temporary decrease in value . Evidence of a loss might include , but would not necessarily be limited to, the in ability to recover the carrying amount of the investment or the inability of the equity method investee to sustain an earnings capacity that justifies the carry ing amount of the investment. The current fair value of an investment that is less than its carrying amount may indicate a loss in value of the investment. The partnership evaluates equity method investments when there is evidence an investment may be impaired . Distributions paid to the partnership from unconsolidated affiliates are classified as operating a ctivities in the consolidated statements of c ash f lows until the cumulative distributions exceed the partnership’s proportionate share of income from the unconsolidated affiliate since the date of initial investment. The amount of cumulative distributions paid to the partnership that exceeds the cumulative proportionate share of income in each period re presents a return of investment, which is classified as an investing activity in the consolidated s tatements of cash f lows. Recent Accounting Pronouncements Effective January 1, 2017, the partnership adopted the amended guidance in ASC Topic 718, Compensation – Stock Compensation: Improvements to Employee Share-Based Payment Accounting , which requires all income tax effects related to awards to be recognized in the income statement when the awards vest or settle. The amended guidance also allows an employer to repurchase more of an employee’s shares for tax withholding purposes without triggering liability accounting, and make a policy election to account for forfeitures as they occur. The amended guidance was applied prospectively, and the election was made to account for forfeitures as they occur. Implementation of the amended guidance did not have an impact on the consolidated financial statements. Effective January 1, 2018, the partnership will adopt the amended guidance in ASC Topic 606, Revenue from Contracts with Customers . ASC Topic 606 is designed to create improved revenue recognition and disclosure comparability in financial statements. The provisions of ASC Topic 606 include a five-step process by which an entity will determine revenue recognition, depicting the transfer of goods or services to customers in amounts which reflect the payment an entity expects to be entitled to in exchange for goods or services. The new guidance requires the company to apply the following steps: (1) identify the contract with the customer; (2) identify the performance obligations in the contract; (3) determine the transaction price; (4) allocate the transaction price to the performance obligations in the contract; and (5) recognize revenue when, or as, the company satisfies the performance obligation. In addition, ASC Topic 606 requires certain disclosures about contracts with customers and provides comprehensive guidance for transactions such as service revenue, contract modifications and multiple-element arrangements. The new standard is effective for fiscal years and interim periods within those years, beginning after December 15, 2017, and allows for early adoption. The partnership completed a comparison of the current revenue recognition policies to ASC Topic 606 requirements for each of the partnership’s major revenue categories. Results indicate that the majority of the partnership's contracts are outside the scope of ASC Topic 606 and will continue to be accounted for under ASC Topic 840, Leases . Contracts within the scope of ASC Topic 606 will continue to be recognized at a point in time, and the number of performance obligations and the accounting for variable consideration are not expected to differ significantly from current practice. The partnership has not identified any material differences in the amount and timing of revenue recognition for the major revenue categories reviewed to date. ASC Topic 606 requires the partnership’s revenue recognition policy disclosure to include additional detail regarding the performance obligations with respect to the nature, amount, timing, and estimates of revenue and cash flows generated from the partnership’s contracts with customers. ASC Topic 606 also requires disclosure of significant changes in contract asset and contract liability balances between periods and the amount of the transaction price allocated to performance obligations that are unsatisfied or partially unsatisfied as of the end of the reporting period, when applicable. ASC Topic 606 may be adopted retrospectively to each prior reporting period presented or as a cumulative-effect adjustment as of the date of adoption. The partnership anticipates adopting the amended guidance using the modified retrospective transition method. Effective January 1, 2019, the partnership will adopt the amended guidance in ASC Topic 842, Leases , which aims to make leasing activities more transparent and comparable, requiring substantially all leases to be recognized by lessees on the balance sheet as a right-of-use asset and corresponding lease liability, including leases currently accounted for as operating leases. The new standard is effective for fiscal years and interim periods within those years, beginning after December 15, 2018, and allows for early adoption. The partnership has established a n implementation team to evaluate the impact of the new standard. The new standard will significantly increase right-of-use assets and lease liabilities on the partnership’s consolidated balance sheet, primarily due to operating leases that are currently not recognized on the balance sheet. The partnership is also evaluating the impact the new standard may have on revenue streams that are currently reported as operating lease revenue under GAAP. The partnership anticipates adopting the amended guidance using the modified retrospective transition method. Effective January 1, 2020, the partnership will adopt the amended guidance in ASC Topic 350, Intangibles – Goodwill and Other: Simplifying the Test for Goodwill Impairment , which simplifies the measurement of goodwill by eliminating Step 2 from the goodwill impairment test. The annual goodwill impairment test will be performed by comparing the fair value of a reporting unit with its carrying amount. An impairment charge equal to the amount by which the carrying amount exceeds the reporting unit’s fair value, not to exceed the total amount of goodwill allocated to that reporting unit, would be recognized. The amended guidance will be applied prospectively. |