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v3.20.4

Leases (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2020 USD ($) property | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Leases [Abstract] |  |  |
Number of Leased Properties Owned by Related Parties | property | 2 |  |
Costs and Expenses, Related Party | $ | $ 0.4 | $ 1.2 | $ 1.3

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- Definition Number of Leased Properties Owned by Related Parties + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Costs of sales and operating expenses for the period incurred from transactions with related parties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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