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v3.21.1

Leases (Details) $ in Millions | 3 Months Ended | 15 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 USD ($) Option | Mar. 31, 2020 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2019
Lessee, Lease, Description [Line Items] |  |  |  |
Variable lease expense and short-term lease expenses |  |  | $ 1.9 |
Weighted average discount rate | 4.10% |  | 4.10% | 4.20%
Lease expense | $ 7.2 | $ 6.4 |  |
Weighted average remaining lease term | 7 years 4 months 24 days |  | 7 years 4 months 24 days | 7 years 6 months
Rent paid to related parties | $ 1.3 | $ 0.9 |  |
Existence of option to extend | true |  |  |
Minimum |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Lease term | 3 years |  | 3 years |
Number of options to renew | Option | 1 |  |  |
Maximum |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Lease term | 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 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 Indicates (true false) whether lessee has option to extend 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 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + 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=121609121&loc=SL77918673-209980 + Details
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