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Derivative Instruments (Tables)
 3 Months Ended
Mar. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments
were as follows:
 
For the Three Months Ended
 
March 31,
 
2017
 
2016
Beginning Balance – Accumulated OCI
$
—

 
$
43,470

Less: Gain Reclassified from Accumulated OCI (Net of tax: $5,624)
—

 
(9,814
)
Ending Balance – Accumulated OCI
$
—

 
$
33,656



The Company also enters into fixed price natural gas sales agreements that are satisfied by physical delivery. These physical commodity contracts qualify for the normal purchases and sales exception and are not subject to derivative instrument accounting.