Company and Summary of Significant Accounting Policies - Revenue Recognition (Details)	12 Months Ended
	Dec. 31, 2020 USD ($)
Significant Accounting Policies [Line Items]
Invoice payment terms	30 days
Contract assets and contract liabilities length of agreement with customers	1 year
Legacy Workflow Fees [Member]
Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 0