Summary of Significant Accounting Policies New Accounting Pronouncements (Tables)

12 Months Ended

Dec. 31, 2015

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

New Accounting Pronouncement, Early Adoption [Table Text Block]

The December 31, 2014, accompanying balance sheet line items that were adjusted as a result of the adoption of ASU 2015-03 are presented in the following table:

	As of
	December 31, 2014
	As Reported		As Adjusted
	(in thousands)
Other noncurrent assets	$	78,214	$	44,659
Total other noncurrent assets	$	267,754	$	234,199
Total Assets	$	6,516,700	$	6,483,145
Senior Notes	$	2,200,000	N/A
Senior Notes, net of unamortized deferred financing costs	N/A		$	2,166,445
Total noncurrent liabilities	$	3,445,385	$	3,411,830
Total Liabilities and Stockholders’ Equity	$	6,516,700	$	6,483,145