Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income	$ 21,117us-gaap_ProfitLoss	$ 238,876us-gaap_ProfitLoss	$ 805,312us-gaap_ProfitLoss
Other comprehensive (loss) income:
Unrealized gain (loss) on available for sale securities	127	(308)	2
Net loss on pension and other post-retirement benefits	(12,465)	(5,289)	(6,567)
Total other comprehensive loss	(12,338)	(5,597)	(6,565)
Comprehensive income	$ 8,779	$ 233,279	$ 798,747

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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