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v3.21.2

Leases (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) Option | Sep. 30, 2020 USD ($) | Dec. 31, 2020
Lessee, Lease, Description [Line Items] |  |  |  |  |
Finance lease liability | $ 2,438 |  | $ 2,438 |  |
Variable lease expense and short-term lease expenses |  |  | $ 5,700 | $ 6,100 |
Weighted average discount rate for operating leases | 4.10% |  | 4.10% |  | 4.20%
Operating lease expense | $ 7,700 | $ 8,000 | $ 22,100 | 21,400 |
Weighted average remaining lease term | 7 years 7 months 6 days |  | 7 years 7 months 6 days |  | 7 years 6 months
Rent paid to related parties | $ 1,100 | $ 2,000 | $ 3,600 | $ 4,500 |
Existence of option to extend |  |  | true |  |
Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Lease term for operating lease | 3 years |  | 3 years |  |
Number of options to renew | Option |  |  | 1 |  |
Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Lease term for operating lease | 10 years |  | 10 years |  |

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- Definition Amount of variable lease cost and short-term lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance 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 Reference 2: 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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