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Equity Method Investments | 12 Months Ended
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Dec. 31, 2016
Equity Method Investments and Joint Ventures [Abstract] |
Equity Method Investments | Equity Method Investments The Company has two equity method investments, Constitution Pipeline Company, LLC (Constitution) and Meade Pipeline Co LLC (Meade), which are further described below. Activity related to these equity method investments is as follows:
|  | Constitution |  | Meade |  | Total
|  | Year Ended December 31, |  | Year Ended December 31, |  | Year Ended December 31,
(In thousands) |  | 2016 |  | 2015 |  | 2014 |  | 2016 |  | 2015 |  | 2014 |  | 2016 |  | 2015 |  | 2014
Balance at beginning of period |  | $ | 90,345 |  |  | $ | 64,268 |  |  | $ | 26,892 |  |  | $ | 13,172 |  |  | $ | 3,761 |  |  | $ | — |  |  | $ | 103,517 |  |  | $ | 68,029 |  |  | $ | 26,892 |
Contributions |  | 8,975 |  |  | 19,625 |  |  | 34,200 |  |  | 19,509 |  |  | 9,448 |  |  | 3,857 |  |  | 28,484 |  |  | 29,073 |  |  | 38,057 |
Earnings (loss) on equity method investments |  | (2,470 | ) |  | 6,452 |  |  | 3,176 |  |  | (7 | ) |  | (37 | ) |  | (96 | ) |  | (2,477 | ) |  | 6,415 |  |  | 3,080 |
Balance at end of period |  | $ | 96,850 |  |  | $ | 90,345 |  |  | $ | 64,268 |  |  | $ | 32,674 |  |  | $ | 13,172 |  |  | $ | 3,761 |  |  | $ | 129,524 |  |  | $ | 103,517 |  |  | $ | 68,029 |
Constitution Pipeline Company, LLC In April 2012, the Company acquired a 25% equity interest in Constitution, which was formed to develop, construct and operate a 124-mile large diameter pipeline to transport natural gas from northeast Pennsylvania to both the New England and New York markets. Under the terms of the agreement, the Company agreed to invest its proportionate share of costs associated with the development and construction of the pipeline and related facilities, subject to a contribution cap of $250 million. On April 22, 2016, Constitution announced that the New York State Department of Environmental Conservation (NYSDEC) denied Constitution's application for a Section 401 Water Quality Certification (Certification) for the New York State portion of its proposed 124-mile route. During the second quarter of 2016, Constitution filed legal actions in the U.S Court of Appeals for the Second Circuit and the U.S District Court for the Northern District of New York challenging the legality and appropriateness of the NYSDEC’s decision. Both courts have granted Constitution's motions to expedite the schedules for the legal actions. Constitution stated that it remains committed to pursuing the project and that it intends to pursue all available options to challenge the NYSDEC’s decision. In light of the denial of the Certification and ongoing litigation, Constitution has revised its target in-service date to the second half of 2018, assuming that the challenge process is satisfactorily and promptly concluded. In light of the NYSDEC’s denial and resulting litigation, the Company evaluated its investment in Constitution for other-than-temporary impairment (OTTI) and as of December 31, 2016, does not believe there is an indication of an OTTI. The Company’s evaluation considered various factors, including but not limited to prior Federal Energy Regulatory Commission (FERC) approval and the related economic viability of the project, legal actions filed by Constitution and the expected duration of the legal proceedings, which are at very early stages, and the other members’ commitment to the project. To the extent that the legal and regulatory proceedings have unfavorable outcomes, or if Constitution concludes that the project is no longer viable or elects to not go forward as legal and regulatory actions progress, the Company will reevaluate the facts and circumstances relative to its conclusions with respect to OTTI. In the event that facts and circumstances change, the Company may be required to recognize an impairment charge up to its investment value at such time, net of any cash and working capital held by Constitution. The Company will continue to monitor the carrying value of its investment as required. At this time, the Company remains committed to funding the project in an amount in proportion to its ownership interest for the development and construction of the new pipeline. The Company's total contributions for this project are expected to be approximately $240.0 million. As of December 31, 2016, the Company has made contributions of $88.5 million since inception of the project and expects to contribute approximately $148.9 million over the next three years. Meade Pipeline Co LLC In February 2014, the Company acquired a 20% equity interest in Meade, which was formed to participate in the development and construction of a 177-mile pipeline (Central Penn Line) that will transport natural gas from Susquehanna County, Pennsylvania to an interconnect with Transcontinental Gas Pipe Line Company, LLC’s (Transco) mainline in Lancaster County, Pennsylvania. The new pipeline will be constructed and operated by Transco and will be owned by Transco and Meade in proportion to their respective ownership percentages of approximately 61% and 39%, respectively. Under the terms of the Meade LLC agreement, the Company agreed to invest its proportionate share of Meade’s anticipated costs associated with the new pipeline. The Company expects to contribute approximately $120.3 million over the next three years. The in-service date for the new pipeline is expected to be mid-2018; however, this estimate is contingent on the timely issuance of remaining outstanding permits.

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- Definition The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=64825282&loc=d3e32847-111569 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=64825282&loc=d3e32787-111569 + Details
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