The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Subsequent Events - Additional Information (Details)	Oct. 01, 2020	Sep. 30, 2020
Subsequent Event [Line Items]
Distribution, record date	Sep. 22, 2020
PDL BioPharma, Inc \| LENSAR
Subsequent Event [Line Items]
Percentage of common stock owned		81.50%
PDL BioPharma, Inc \| Subsequent Event
Subsequent Event [Line Items]
Shares distribution ratio to PDL shareholders	7.5879%