Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Statement of Comprehensive Income [Abstract]        
Net income (loss) $ 16,276 $ (5,947) $ 24,050 $ 43,463
Other comprehensive loss:        
Change in pension and postretirement obligations, net of tax of $0 and $0 in 2016 0 0 0 0
Total Other Comprehensive Income (Loss), Net of Tax 0 0 0 0
Comprehensive income (loss) $ 16,276 $ (5,947) $ 24,050 $ 43,463