The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

Name:	us-gaap_ProceedsFromRelatedPartyDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Common Stock - Settlement of Nonrecourse Related-Party Promissory Notes (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 20, 2021	Mar. 31, 2021	Mar. 31, 2020
Class of Stock [Line Items]
Repayment of promissory notes associated with vested and unvested shares		$ 1,193	$ 0
Common Class A \| Common Stock
Class of Stock [Line Items]
Repayment of promissory notes associated with vested and unvested shares	$ 1,200
Common stock, forfeited (in shares)	370,734