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Summary of Significant Accounting Policies - Supplemental Cash Flows (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Accounting Policies [Abstract] |  |
Operating cash flows used in operating leases | $ 200,958 | $ 192,039
Operating cash flows used in financing leases (interest) | 9,037 | 9,885
Financing cash flows used in financing leases | 20,084 | 23,656
Operating lease modifications and reassessments | 67,699 | 63,047
New operating leases (including acquisitions and sale-leaseback transactions) | $ 382,890 | $ 210,881

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- Definition Amount of interest paid on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977 + Details
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