Fair Value Measurements (Supply Commitment) (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Supply Commitment [Line Items]
Outstanding financial letters of credit	$ 6,352
Less than one year [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	3,370
More than one year to five years [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	968
Over five years [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	2,014
Secured Debt [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	5,885
Secured Debt [Member] | Less than one year [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	3,340
Secured Debt [Member] | More than one year to five years [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	531
Secured Debt [Member] | Over five years [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	2,014
Secured by Collateral [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	4,272
Secured by Collateral [Member] | Less than one year [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	1,835
Secured by Collateral [Member] | More than one year to five years [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	423
Secured by Collateral [Member] | Over five years [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	2,014
Secured by Bank Lines of Credit [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	461
Secured by Bank Lines of Credit [Member] | Less than one year [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	353
Secured by Bank Lines of Credit [Member] | More than one year to five years [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	108
Secured by Other [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	1,152
Secured by Other [Member] | Less than one year [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	1,152
Unsecured [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	467
Unsecured [Member] | Less than one year [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	30
Unsecured [Member] | More than one year to five years [Member]
Supply Commitment [Line Items]
Outstanding financial letters of credit	$ 437