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Recent Accounting Pronouncements
12 Months Ended
Dec. 31, 2017
Accounting Changes and Error Corrections [Abstract]  
Recent Accounting Pronouncements Recent Accounting Pronouncements

In January 2017, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2017-04 “Intangibles-Goodwill and other: Simplifying the test for goodwill impairment.” This ASU removes the second step of the two-step test currently required under the current guidance. An entity will apply a one-step quantitative test and record the amount of goodwill impairment as the excess of a reporting unit's carrying amount over its fair value, not to exceed the total amount of goodwill allocated to the reporting unit. The new guidance does not amend the optional qualitative assessment of goodwill impairment. This ASU is effective for financial statements issued for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019, with early adoption permitted. The Partnership elected to early adopt this amended guidance effective January 1, 2017. The Partnership expects that adoption of this standard will change its approach for testing goodwill for impairment if a triggering event is identified; however, this standard requires prospective application and therefore will only impact periods subsequent to adoption.

In August 2016, the Financial Accounting Standards Board FASB issued ASU No. 2016-15, Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments. This ASU is intended to clarify the presentation of cash receipts and payments in specific situations. The amendments in this ASU are effective for financial statements issued for annual periods beginning after December 15, 2017, including interim periods within those annual periods, and early application is permitted. The Partnership does not anticipate that ASU 2016-15 will have a material effect on its consolidated financial statements and related disclosures.

In February 2016, the FASB issued ASU 2016-02, Leases.  This ASU amends the existing accounting standards for lease accounting, including requiring lessees to recognize most leases on their balance sheets and making targeted changes to lessor accounting. ASU 2016-02 is effective for annual reporting periods beginning after December 15, 2018, including interim periods within that reporting period. Early adoption of this standard is permitted. The standard requires a modified retrospective transition approach for all leases existing at, or entered into after, the date of initial application, with an option to use certain transition relief.  The Partnership is evaluating the effect that ASU 2016-02 will have on its consolidated financial statements and related disclosures.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers, which requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. The ASU will replace most existing revenue recognition guidance in U.S. GAAP when it becomes effective. The new standard is effective for the Partnership on January 1, 2018. The standard permits the use of either the retrospective or cumulative effect transition method. The Partnership plans to adopt the new standard utilizing the cumulative effect method which will result in the cumulative effect of the adoption being recorded as of January 1, 2018. The Partnership has completed a review of the impacts of the application of the new standard to its existing portfolio of customer contracts and has concluded its process of evaluating its new controls and processes designed to comply with ASU 2014-09 throughout 2017 to permit adoption by January 1, 2018. The Partnership's approach included performing a detailed review of key contracts representative of its different businesses and comparing historical accounting policies and practices to the new standard.

In the Terminalling and Storage segment, revenue will continue to be recognized for storage contracts based on the contracted monthly tank fixed fee.  For throughput contracts, revenue will continue to be recognized based on the volume moved through the Partnership’s terminals at the contracted rate.  For the Partnership’s tolling agreement, revenue will continue to be recognized based on the contracted monthly reservation fee and throughput volumes moved through the facility.  When lubricants and drilling fluids are sold by truck or rail, revenue will continue to be recognized upon delivering product to the customers as title to the product transfers when the customer physically receives the product. Delivery of product is invoiced as the transaction occurs and are generally paid within a month.
 
In the Natural Gas Services segment, NGL distribution revenue will continue to be recognized when product is delivered by truck, rail, or pipeline to the Partnership's NGL customers. Revenue will continue to be recognized on title transfer of the product to the customer. Delivery of product is invoiced as the transaction occurs and are generally paid within a month. Natural gas storage revenue will continue to be recognized when the service is provided to the customer. The performance of the service is invoiced as the transaction occurs and are generally paid within a month.

In the Sulfur Services segment, revenue from sulfur product sales will continue to be recognized when the customer takes title to the product.  Delivery of product is invoiced as the transaction occurs and are generally paid within a month. Revenue from sulfur services will continue to be recognized as deliveries are made during each monthly period. The performance of the service is invoiced as the transaction occurs and are generally paid within a month.
 
In the Marine Transportation segment, revenue will continue to be recognized for time charters based on a per day rate. For contracted trips, revenue will continue to be recognized upon completion of the particular trip. The performance of the service is invoiced as the transaction occurs and are generally paid within a month.

Additionally, the Partnership will be required to assess variable consideration included in its contracts and make judgments and estimates throughout the applicable periods. Certain additional financial statement disclosure requirements are mandated by the new standard including disclosure of contract assets and contract liabilities as well as a disaggregated view of revenue. Based on the Partnership’s analysis, the adoption of this guidance will not have a significant impact on its consolidated financial statements.