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Description of the Business and Summary of Significant Accounting Policies - Deferred Commissions, net (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Capitalized Contract Cost [Line Items] |  |  |  |  |
Additional contract costs deferred | $ 7.9 | $ 6.2 | $ 15.5 | $ 12.3 |
Amortization of deferred commissions | $ 7.4 | $ 10.1 | $ 14.9 | $ 20.8 |
Deferred Commissions |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |
Deferred contract costs, amortization period | 5 years |  | 5 years |  |
Deferred Commissions | Prepaid Expenses and Other Current Assets |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |
Deferred contract costs | $ 23.7 |  | $ 23.7 |  | $ 23.4
Deferred Commissions | Other Assets |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |
Deferred contract costs | $ 22.3 |  | $ 22.3 |  | $ 22.0
Renewal Commissions |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |
Deferred contract costs, amortization period | 1 year |  | 1 year |  |

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- Definition The amount of expense recognized in the current period for the periodic realization of capitalized fees that were paid to salespeople, distributors, brokers, and agents at the time of the conclusion of the sale. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, 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 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -SubTopic 40 -Topic 340 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-2 + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
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