Organization and Basis of Presentation - Basis of Presentation and Consolidation (Details) - variable_interest_entity	Sep. 30, 2020	Dec. 31, 2019
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Variable Interest Entity, Number Of Entities	52	44

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.

No definition available.

Name:	us-gaap_VariableInterestEntityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration