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Discontinued Operations (Tables)
 9 Months Ended
Sep. 30, 2019
Discontinued Operations and Disposal Groups [Abstract]  
Disposal Groups, Including Discontinued Operations [Table Text Block]
A summary of discontinued operations presented in the condensed consolidated statements of income includes the following:

 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
(in thousands)
 
2019 (1)

2018 (2)
 
2019 (1)

2018 (2)
Operating revenues
 
$
34,271
 
 
$
51,619

 
$
152,573
 
 
$
181,976
 
Cost of sales
 
33,763
 
 
50,888

 
149,464
 
 
177,463
 
Other operating expenses
 
1,361
 
 
1,574

 
4,818
 
 
4,791
 
Operating loss

(853
)
 
(843
)
 
(1,709
)
 
(278
)
Interest and other expense
 
75
 
 
80

 
243
 
 
248
 
Loss from Discontinued Operations before income taxes

(928
)
 
(923
)
 
(1,952
)
 
(526
)
Income tax benefit
 
(304
)
 
(371
)
 
(564
)
 
(187
)
Loss from Discontinued Operations, net of tax

$
(624
)
 
$
(552
)
 
$
(1,388
)
 
$
(339
)
(1) Included in operating revenues and cost of sales for the three and nine months ended September 30, 2019, is $4.3 million and $19.1 million respectively, representing amounts which had been previously eliminated in consolidation related to intercompany activity that will continue with the buyers after the disposition of the assets of PESCO.
(2) Included in operating revenues and cost of sales for the three and nine months ended September 30, 2018 is $4.7 million and $22.1 million respectively, representing amounts which had been previously eliminated in consolidation related to intercompany activity that will continue with the buyers after the disposition of the assets of PESCO.

The assets and liabilities of the discontinued operations classified as held for sale in the condensed consolidated balance sheet include the following:
 
 
September 30,
 
December 31,
(in thousands)
 
2019
 
2018
Property, plant and equipment
 
$
1,203
 
 
$
1,242
 
Less: accumulated depreciation
 
(334
)
 
(206
)
Net property, plant and equipment (1)
 
869
 
 
1,036
 
Current assets
 
21,155
 
 
52,681
 
Deferred charges and other assets (1)
 
6,310
 
 
6,626
 
Assets of Discontinued Operations held for sale
 
$
28,334
 
 
$
60,343
 
 
 
 
 
 
 
Current liabilities
 
$
18,110
 
 
$
48,672
 
Liabilities of Discontinued Operations held for sale
 
$
18,110
 
 
$
48,672
 
Net assets
 
$
10,224
 
 
$
11,671
 
(1) These balances have been combined within the condensed consolidated balance sheets to arrive at non-current assets held for sale.
     
Disclosure of Long Lived Assets Held-for-sale [Table Text Block]
The assets and liabilities of the discontinued operations classified as held for sale in the condensed consolidated balance sheet include the following:
 
 
September 30,
 
December 31,
(in thousands)
 
2019
 
2018
Property, plant and equipment
 
$
1,203
 
 
$
1,242
 
Less: accumulated depreciation
 
(334
)
 
(206
)
Net property, plant and equipment (1)
 
869
 
 
1,036
 
Current assets
 
21,155
 
 
52,681
 
Deferred charges and other assets (1)
 
6,310
 
 
6,626
 
Assets of Discontinued Operations held for sale
 
$
28,334
 
 
$
60,343
 
 
 
 
 
 
 
Current liabilities
 
$
18,110
 
 
$
48,672
 
Liabilities of Discontinued Operations held for sale
 
$
18,110
 
 
$
48,672
 
Net assets
 
$
10,224
 
 
$
11,671
 
(1) These balances have been combined within the condensed consolidated balance sheets to arrive at non-current assets held for sale.
     
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] The following table summarizes significant statement of cash flow data related to the discontinued operations of PESCO:
 
 
Nine Months Ended
 
 
September 30,
(in thousands)
 
2019
 
2018
Depreciation and amortization
 
$
437

 
$
437

Property, plant and equipment expenditures
 
$
—

 
$
72

Deferred income taxes
 
$
513

 
$
403

Realized gain on commodity contracts
 
$
623

 
$
3,295