Revenue (Narrative) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($)
Disaggregation of Revenue [Line Items]
Consolidated revenue	$ 444
Redemption Of Non-Cash Credits [Member]
Disaggregation of Revenue [Line Items]
Consolidated revenue	300
Cash Purchases [Member]
Disaggregation of Revenue [Line Items]
Consolidated revenue	$ 100

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details