| Schedule of Quarterly Financial Information (unaudited) |
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z
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First
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Second
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Third
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Forth
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quarter
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quarter
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quarter
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quarter
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Year ended December 31, 2013
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Total operating revenues
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$
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6,318
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$
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11,980
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$
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16,994
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$
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22,942
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Total operating expenses
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4,178
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6,216
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7,864
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37,797
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Operating income (loss)
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2,140
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5,764
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9,130
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(14,855)
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Net income (loss)
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2,121
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5,720
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9,078
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(14,904)
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Year ended December 31, 2014
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Total operating revenues
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$
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36,532
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57,441
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$
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71,583
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$
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100,718
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Total operating expenses
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20,965
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33,653
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34,840
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42,758
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Operating income
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15,567
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23,788
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36,743
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57,960
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Net income
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15,309
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22,380
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34,288
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55,898
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