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Summary of Critical and Significant Accounting Policies (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Leases |  |  |  |
Deferred Revenue | $ 13.3 | $ 18.4 |  |
Allowance for Doubtful Accounts and Bilinig Adjustments |  |  |  |
Leases |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | $ 3.1 | $ 3.9 | $ 4.1 | $ 3.6
Minimum [Member] |  |  |  |
Leases |  |  |  |
Lessee, Operating Lease, Term of Contract | 2 months |  |  |
Property, Plant and Equipment, Estimated Useful Lives | three |  |  |
Maximum [Member] |  |  |  |
Leases |  |  |  |
Lessee, Operating Lease, Term of Contract | 11 years |  |  |
Property, Plant and Equipment, Estimated Useful Lives | five years |  |  |

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- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(5)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + 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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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123364984&loc=d3e1205-110223 + Details
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