The per share amount of a dividend declared, but not paid, as of the financial reporting date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586

Name:	us-gaap_DividendsPayableAmountPerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions	Oct. 25, 2021	Sep. 30, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Financing Receivable, Modifications, Recorded Investment, Non Accrual		$ 4.8	$ 11.3
Class A Common Stock \| Subsequent Event
Subsequent Event [Line Items]
Dividend amount per share (in dollars)	$ 0.41