Derivative Instruments and Hedging Activities (Textuals) (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2021	Jul. 20, 2020
Derivative [Line Items]
Notional Amount of Derivatives Early Terminated		$ 625.0
Payment for Termination of Interest Rate Derivative Instruments	$ 6.2
Inspur (Suzhou) Financial Technology Service Co Ltd [Member]
Derivative [Line Items]
Strategic alliance, ownership percentage	48.10%

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