Derivative Financial Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2015

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Summary of Outstanding Commodity Derivatives

As of December 31, 2015, the Company had the following outstanding commodity derivatives:

Commodity and Derivative Type	Weighted-Average Contract Price		Contract Volume (Mmbtu)		Contract Period
Natural Gas Swap Agreements	$	3.20 per Mmbtu		1,800,000		Jan. 2016 – June 2016