Customer Concentration (Tables)
|12 Months Ended
Dec. 31, 2020
|Risks and Uncertainties [Abstract]
|Schedule of Revenue and Accounts Receivable by Major Customers
The following table shows customers with revenues of 10% or greater of total revenues from external customers and customers with accounts receivable, net and contract assets, net balances of 10% or greater of total accounts receivable, net and contract assets, net from external customers:
* Less than 10%
|Schedule of Revenue from External Customers by Country
The following table shows revenues from external customers attributable to the country in which the revenues were derived (in millions). We attribute revenues from external customers to the country in which the party to the applicable agreement has its principal place of business. Substantially all of our long-lived assets are located in the United States.
Schedule of Revenue and Accounts Receivable by Major Customer [Table Text Block]
No definition available.
Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef