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Leases (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) item	Dec. 31, 2018 USD ($)
Leases [Abstract]
Operating lease payments related to options to extend lease terms	$ 2,127,446
Operating minimum lease payments	105,000
Future sublease income	$ 9,514
Number of sale leaseback transactions | item	6
Minimum sublease rentals		$ 11,790
Minimum cash lease payments		90,484
Total deemed landlord financing		$ 2,390

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Lessee, Operating Future Sublease Income

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- Definition

Number of sale leaseback transactions

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- Definition

Operating Lease Minimum Lease Payments

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- Definition

Operating lease payments related to options to extend lease terms.

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- Definition

Contractually required future cash lease payments.

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Contractually required future rental payments receivable on noncancelable subleasing arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (b)
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Present value of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
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