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Operating Leases (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Lessee Lease Description [Line Items] |  |
Operating lease right-of-use assets | $ 750,734 | $ 793,181
Operating lease liabilities | $ 799,099 | $ 839,800
Operating Lease, Liability, Statement of Financial Position [Extensible List] | Accounts payable and accrued expenses | Accounts payable and accrued expenses
Minimum [Member] | Office Space and Office Equipment [Member] |  |
Lessee Lease Description [Line Items] |  |
Operating leases remaining lease term | 1 year |
Maximum [Member] | Office Space and Office Equipment [Member] |  |
Lessee Lease Description [Line Items] |  |
Operating leases remaining lease term | 14 years |

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- Definition Remaining lease term operating leases. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- 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) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Indicates line item in statement of financial position that includes operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918631-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under 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 (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Details
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- Details
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- Details
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