Summary of Significant Accounting Principles - Contract Balances (Details) $ in Millions |
Dec. 31, 2020
USD ($)
|
|---|---|
| Summary of Significant Accounting Policies | |
| Receivables | $ 350.7 |
| Deferred revenue | $ 34.4 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|