Employee Benefits Plans (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Disclosure Text Block Supplement [Abstract]
Contributions to security fund amount	$ 147,000	$ 134,000

Amount of cost (reversal of cost) for pension and other postretirement benefits.

No definition available.

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