Subsequent Event - (Details) - Subsequent Event - Coface € / shares in Units, € in Millions	Feb. 25, 2020 EUR (€) € / shares
Subsequent Event [Line Items]
Percentage ownership	29.50%
Share price \| € / shares	€ 10.70
Total estimated purchase price \| €	€ 480

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