Investments in and Advances to Unconsolidated Affiliates - Mervyns II - Additional Information (Details) - Mervyns II - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Proceeds from Dividends Received	$ 0.5	$ 1.7
Unrealized change in fair value of investment	$ 12.6	$ 51.9

Dividends received on equity and other investments during the current period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 16
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3337-108585

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