Income Taxes (Details 6)	12 Months Ended
Dec. 31, 2021
2014 through 2021 [Member]
Statutory Accounting Practices [Line Items]
Income tax examinations	U.S. (Federal)
2016 through 2021 [Member]
Statutory Accounting Practices [Line Items]
Income tax examinations	Germany
2013 through 2021 [Member]
Statutory Accounting Practices [Line Items]
Income tax examinations	Greece
2015 through 2021 [Member]
Statutory Accounting Practices [Line Items]
Income tax examinations	Spain
2018 through 2021 [Member]
Statutory Accounting Practices [Line Items]
Income tax examinations	U.K.

Description of the difference as of the balance sheet date between the financial statements which use generally accepted accounting principles and the statutory financial statements which use statutory accounting practices prescribed or permitted by the state or country in which the filing is made.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 505
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24746-158529

Name:	us-gaap_StatutoryAccountingPracticesStatutoryToGAAPDescriptionOfReconcilingItem
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration