Basis of Presentation - Additional Information (Details)	9 Months Ended
	Sep. 30, 2020 Entity
Variable Interest Entity [Line Items]
Number of variable interest entities	10
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Number of variable interest entities primary beneficiary	5
Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Number of variable interest entities not a primary beneficiary	5