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Basis of Presentation and Principles of Consolidation (Tables)
9 Months Ended
Sep. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Impact of Immaterial Error Correction
The impact of the immaterial error on our prior period consolidated statements of cash flows is presented in the following table:
 
As Reported
 
Adjustment
 
As Revised
 
Three Months Ended
 
Nine Months Ended
 
Three Months Ended
 
Nine Months Ended
 
Three Months Ended
 
Nine Months Ended
Dollars in thousands
September 30, 2013
 
September 30, 2013
 
September 30, 2013
Cash flows from changes in operating assets and liabilities:
 
 
 
 
 
 
 
 
 
 
 
Accounts payable
$
(13,938
)
 
$
(84,910
)
 
$
(784
)
 
$
14,730

 
$
(14,722
)
 
$
(70,180
)
Net cash flows from operating activities
$
61,727

 
$
132,391

 
$
(784
)
 
$
14,730

 
$
60,943

 
$
147,121

Investing Activities:
 
 
 
 
 
 
 
 
 
 
 
Purchases of property and equipment
$
(39,886
)
 
$
(108,616
)
 
$
784

 
$
(14,730
)
 
$
(39,102
)
 
$
(123,346
)
Net cash flows from investing activities
$
(287,866
)
 
$
(367,669
)
 
$
784

 
$
(14,730
)
 
$
(287,082
)
 
$
(382,399
)
Supplemental disclosure of non-cash investing and financing activities:
 
 
 
 
 
 
 
 
 
 
 
Purchases of property and equipment included in ending accounts payable
$
24,773

 
$
24,773

 
$
(16,585
)
 
$
(16,585
)
 
$
8,188

 
$
8,188