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Leases - Primary Office Leases (Details) $ in Thousands | Sep. 30, 2021 USD ($)
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Lessee, Lease, Description [Line Items] |
Future Minimum Lease Commitments | $ 85,717
Arlington, VA |
Lessee, Lease, Description [Line Items] |
Lease Termination Term (in years) | 10 years 3 months 18 days
Future Minimum Lease Commitments | $ 36,364
Letter of Credit Amount Required | $ 1,579
Riverside, IL |
Lessee, Lease, Description [Line Items] |
Lease Termination Term (in years) | 9 years 6 months
Future Minimum Lease Commitments | $ 42,205
Letter of Credit Amount Required | $ 232
Pune, India |
Lessee, Lease, Description [Line Items] |
Lease Termination Term (in years) | 2 years
Future Minimum Lease Commitments | $ 1,612
Letter of Credit Amount Required | $ 0
Brea, CA |
Lessee, Lease, Description [Line Items] |
Lease Termination Term (in years) | 8 months 12 days
Future Minimum Lease Commitments | $ 739
Letter of Credit Amount Required | $ 0

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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 Amount of lessee's undiscounted obligation for lease payment for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
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