Equity Method Investments	12 Months Ended
Equity Method Investments	Dec. 31, 2014
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investments	Equity Method Investments Constitution Pipeline Company, LLC In April 2012, the Company acquired a 25% equity interest in Constitution Pipeline Company, LLC (Constitution), which thereby became an unconsolidated investee. Constitution 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. The expected in-service date for the new pipeline is 2016. Accordingly, the Company expects to contribute approximately $139.7 million over the next two years. During 2014, 2013 and 2012, the Company made contributions of $34.2 million, $18.9 million and $6.9 million, respectively, to fund costs associated with the project. The Company's net book value in this equity investment was $64.3 million and $26.9 million as of December 31, 2014 and 2013, respectively, and is included in equity method investments in the Consolidated Balance Sheet. There were no material earnings or losses associated with Constitution during 2014, 2013 or 2012. Meade Pipeline Co LLC In February 2014, the Company acquired a 20% equity interest in Meade Pipeline Co LLC (Meade). Meade 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 $135.3 million over the next three years. The expected in-service date for the new pipeline is scheduled for the second half of 2017. During 2014, the Company made contributions of approximately $3.9 million to Meade. The Company’s net book value in this equity investment was $3.8 million as of December 31, 2014 and is included in equity method investments in the Consolidated Balance Sheet. There were no material earnings or losses associated with Meade during 2014.

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+ Details