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Leases (Schedule Of Supplemental Balance Sheet Information Related To Leases) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Right-of-use assets	$ 2,370,710	$ 0
Current lease liabilities	161,253	0
Non-current lease liabilities	2,534,769	$ 0
Total lease liabilities	$ 2,696,022
Weighted average remaining lease term (years)	13 years 4 months 24 days
Weighted average discount rate	5.31%
Operating Lease Assets [Member]
Right-of-use assets	$ 2,370,710
Current Operating Lease Liabilities [Member]
Current lease liabilities	161,253
Long-term Operating Lease Liabilities [Member]
Non-current lease liabilities	$ 2,534,769

X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
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X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

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-Publisher FASB
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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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